Home / 90,969,744.57-136,468,725.18-38,447,637.13

Finding the Fourth Proportional to 90,969,744.57, 136,468,725.18 and 38,447,637.13

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Solution

The fourth proportional to 90,969,744.57, 136,468,725.18 and 38,447,637.13 is: 57,677,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,969,744.57 : 136,468,725.18 = 38,447,637.13 : x
  2. Step 2: Convert to fraction form
    90,969,744.57/136,468,725.18 = 38,447,637.13/x
  3. Step 3: Cross multiply
    90,969,744.57x = 136,468,725.18 × 38,447,637.13
  4. Step 4: Simplify right side
    90,969,744.57x = 5,246,900,025,314,335
  5. Step 5: Solve for x
    x = 5,246,900,025,314,335/90,969,744.57
  6. Step 6: Final answer
    x = 57,677,418.47

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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.