Home / 72,581,141.70-108,871,712.55-41,970,140.10

Finding the Fourth Proportional to 72,581,141.70, 108,871,712.55 and 41,970,140.10

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Solution

The fourth proportional to 72,581,141.70, 108,871,712.55 and 41,970,140.10 is: 62,955,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,141.70 : 108,871,712.55 = 41,970,140.10 : x
  2. Step 2: Convert to fraction form
    72,581,141.70/108,871,712.55 = 41,970,140.10/x
  3. Step 3: Cross multiply
    72,581,141.70x = 108,871,712.55 × 41,970,140.10
  4. Step 4: Simplify right side
    72,581,141.70x = 4,569,361,028,650,428
  5. Step 5: Solve for x
    x = 4,569,361,028,650,428/72,581,141.70
  6. Step 6: Final answer
    x = 62,955,210.15

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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.