Home / 129,870,822.90-194,806,234.35-118,155,501.30

Finding the Fourth Proportional to 129,870,822.90, 194,806,234.35 and 118,155,501.30

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Solution

The fourth proportional to 129,870,822.90, 194,806,234.35 and 118,155,501.30 is: 177,233,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,870,822.90 : 194,806,234.35 = 118,155,501.30 : x
  2. Step 2: Convert to fraction form
    129,870,822.90/194,806,234.35 = 118,155,501.30/x
  3. Step 3: Cross multiply
    129,870,822.90x = 194,806,234.35 × 118,155,501.30
  4. Step 4: Simplify right side
    129,870,822.90x = 23,017,428,275,989,528
  5. Step 5: Solve for x
    x = 23,017,428,275,989,528/129,870,822.90
  6. Step 6: Final answer
    x = 177,233,251.95

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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.