Home / 87,636,579.42-131,466,828.68-36,506,640.81

Finding the Fourth Proportional to 87,636,579.42, 131,466,828.68 and 36,506,640.81

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Solution

The fourth proportional to 87,636,579.42, 131,466,828.68 and 36,506,640.81 is: 54,764,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636,579.42 : 131,466,828.68 = 36,506,640.81 : x
  2. Step 2: Convert to fraction form
    87,636,579.42/131,466,828.68 = 36,506,640.81/x
  3. Step 3: Cross multiply
    87,636,579.42x = 131,466,828.68 × 36,506,640.81
  4. Step 4: Simplify right side
    87,636,579.42x = 4,799,412,293,050,567
  5. Step 5: Solve for x
    x = 4,799,412,293,050,567/87,636,579.42
  6. Step 6: Final answer
    x = 54,764,943.19

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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.