Home / 136,141,976.76-204,215,764.50-45,266,356.92

Finding the Fourth Proportional to 136,141,976.76, 204,215,764.50 and 45,266,356.92

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Solution

The fourth proportional to 136,141,976.76, 204,215,764.50 and 45,266,356.92 is: 67,900,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,141,976.76 : 204,215,764.50 = 45,266,356.92 : x
  2. Step 2: Convert to fraction form
    136,141,976.76/204,215,764.50 = 45,266,356.92/x
  3. Step 3: Cross multiply
    136,141,976.76x = 204,215,764.50 × 45,266,356.92
  4. Step 4: Simplify right side
    136,141,976.76x = 9,244,103,684,547,666
  5. Step 5: Solve for x
    x = 9,244,103,684,547,666/136,141,976.76
  6. Step 6: Final answer
    x = 67,900,466.15

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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.