Home / 126,731,389.43-175,209,156.93-93,639,445.31

Finding the Fourth Proportional to 126,731,389.43, 175,209,156.93 and 93,639,445.31

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Solution

The fourth proportional to 126,731,389.43, 175,209,156.93 and 93,639,445.31 is: 129,458,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731,389.43 : 175,209,156.93 = 93,639,445.31 : x
  2. Step 2: Convert to fraction form
    126,731,389.43/175,209,156.93 = 93,639,445.31/x
  3. Step 3: Cross multiply
    126,731,389.43x = 175,209,156.93 × 93,639,445.31
  4. Step 4: Simplify right side
    126,731,389.43x = 16,406,488,267,281,898
  5. Step 5: Solve for x
    x = 16,406,488,267,281,898/126,731,389.43
  6. Step 6: Final answer
    x = 129,458,757.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.