Home / 147,042,115.20-220,564,266.30-54,946,670.40

Finding the Fourth Proportional to 147,042,115.20, 220,564,266.30 and 54,946,670.40

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Solution

The fourth proportional to 147,042,115.20, 220,564,266.30 and 54,946,670.40 is: 82,420,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,042,115.20 : 220,564,266.30 = 54,946,670.40 : x
  2. Step 2: Convert to fraction form
    147,042,115.20/220,564,266.30 = 54,946,670.40/x
  3. Step 3: Cross multiply
    147,042,115.20x = 220,564,266.30 × 54,946,670.40
  4. Step 4: Simplify right side
    147,042,115.20x = 12,119,272,042,403,928
  5. Step 5: Solve for x
    x = 12,119,272,042,403,928/147,042,115.20
  6. Step 6: Final answer
    x = 82,420,414.22

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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.