Home / 81,890,243,520.51-122,835,365,280.76-81,890,243,520.51

Finding the Fourth Proportional to 81,890,243,520.51, 122,835,365,280.76 and 81,890,243,520.51

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Solution

The fourth proportional to 81,890,243,520.51, 122,835,365,280.76 and 81,890,243,520.51 is: 122,835,365,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890,243,520.51 : 122,835,365,280.76 = 81,890,243,520.51 : x
  2. Step 2: Convert to fraction form
    81,890,243,520.51/122,835,365,280.76 = 81,890,243,520.51/x
  3. Step 3: Cross multiply
    81,890,243,520.51x = 122,835,365,280.76 × 81,890,243,520.51
  4. Step 4: Simplify right side
    81,890,243,520.51x = 10,059,017,975,772,234,121,216
  5. Step 5: Solve for x
    x = 10,059,017,975,772,234,121,216/81,890,243,520.51
  6. Step 6: Final answer
    x = 122,835,365,280.76

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.