Home / 71,432,840.57-107,159,908.13-25,370,839.79

Finding the Fourth Proportional to 71,432,840.57, 107,159,908.13 and 25,370,839.79

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Solution

The fourth proportional to 71,432,840.57, 107,159,908.13 and 25,370,839.79 is: 38,060,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,432,840.57 : 107,159,908.13 = 25,370,839.79 : x
  2. Step 2: Convert to fraction form
    71,432,840.57/107,159,908.13 = 25,370,839.79/x
  3. Step 3: Cross multiply
    71,432,840.57x = 107,159,908.13 × 25,370,839.79
  4. Step 4: Simplify right side
    71,432,840.57x = 2,718,736,861,514,459.50
  5. Step 5: Solve for x
    x = 2,718,736,861,514,459.50/71,432,840.57
  6. Step 6: Final answer
    x = 38,060,041.29

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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.