Home / 136,046,681.92-204,187,941.06-71,396,162.56

Finding the Fourth Proportional to 136,046,681.92, 204,187,941.06 and 71,396,162.56

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Solution

The fourth proportional to 136,046,681.92, 204,187,941.06 and 71,396,162.56 is: 107,156,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,046,681.92 : 204,187,941.06 = 71,396,162.56 : x
  2. Step 2: Convert to fraction form
    136,046,681.92/204,187,941.06 = 71,396,162.56/x
  3. Step 3: Cross multiply
    136,046,681.92x = 204,187,941.06 × 71,396,162.56
  4. Step 4: Simplify right side
    136,046,681.92x = 14,578,235,432,711,460
  5. Step 5: Solve for x
    x = 14,578,235,432,711,460/136,046,681.92
  6. Step 6: Final answer
    x = 107,156,126.32

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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.