Home / 71,937,640.38-107,941,890.78-33,593,581.74

Finding the Fourth Proportional to 71,937,640.38, 107,941,890.78 and 33,593,581.74

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Solution

The fourth proportional to 71,937,640.38, 107,941,890.78 and 33,593,581.74 is: 50,406,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,937,640.38 : 107,941,890.78 = 33,593,581.74 : x
  2. Step 2: Convert to fraction form
    71,937,640.38/107,941,890.78 = 33,593,581.74/x
  3. Step 3: Cross multiply
    71,937,640.38x = 107,941,890.78 × 33,593,581.74
  4. Step 4: Simplify right side
    71,937,640.38x = 3,626,154,731,088,082.50
  5. Step 5: Solve for x
    x = 3,626,154,731,088,082.50/71,937,640.38
  6. Step 6: Final answer
    x = 50,406,917.88

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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.