Home / 81,576,352,743.80-122,364,529,115.70-48,434,841,678.20

Finding the Fourth Proportional to 81,576,352,743.80, 122,364,529,115.70 and 48,434,841,678.20

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Solution

The fourth proportional to 81,576,352,743.80, 122,364,529,115.70 and 48,434,841,678.20 is: 72,652,262,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,576,352,743.80 : 122,364,529,115.70 = 48,434,841,678.20 : x
  2. Step 2: Convert to fraction form
    81,576,352,743.80/122,364,529,115.70 = 48,434,841,678.20/x
  3. Step 3: Cross multiply
    81,576,352,743.80x = 122,364,529,115.70 × 48,434,841,678.20
  4. Step 4: Simplify right side
    81,576,352,743.80x = 5,926,706,594,746,423,312,384
  5. Step 5: Solve for x
    x = 5,926,706,594,746,423,312,384/81,576,352,743.80
  6. Step 6: Final answer
    x = 72,652,262,517.30

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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.