Home / 48,122,513.20-72,183,769.80-45,883,025.20

Finding the Fourth Proportional to 48,122,513.20, 72,183,769.80 and 45,883,025.20

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Solution

The fourth proportional to 48,122,513.20, 72,183,769.80 and 45,883,025.20 is: 68,824,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,122,513.20 : 72,183,769.80 = 45,883,025.20 : x
  2. Step 2: Convert to fraction form
    48,122,513.20/72,183,769.80 = 45,883,025.20/x
  3. Step 3: Cross multiply
    48,122,513.20x = 72,183,769.80 × 45,883,025.20
  4. Step 4: Simplify right side
    48,122,513.20x = 3,312,009,728,764,399
  5. Step 5: Solve for x
    x = 3,312,009,728,764,399/48,122,513.20
  6. Step 6: Final answer
    x = 68,824,537.80

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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.