Home / 138,926,869.29-208,420,397.06-41,874,457.77

Finding the Fourth Proportional to 138,926,869.29, 208,420,397.06 and 41,874,457.77

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Solution

The fourth proportional to 138,926,869.29, 208,420,397.06 and 41,874,457.77 is: 62,820,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,926,869.29 : 208,420,397.06 = 41,874,457.77 : x
  2. Step 2: Convert to fraction form
    138,926,869.29/208,420,397.06 = 41,874,457.77/x
  3. Step 3: Cross multiply
    138,926,869.29x = 208,420,397.06 × 41,874,457.77
  4. Step 4: Simplify right side
    138,926,869.29x = 8,727,491,114,886,231
  5. Step 5: Solve for x
    x = 8,727,491,114,886,231/138,926,869.29
  6. Step 6: Final answer
    x = 62,820,757.13

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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.