Home / 145,182,001.80-217,773,002.70-129,309,630.60

Finding the Fourth Proportional to 145,182,001.80, 217,773,002.70 and 129,309,630.60

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Solution

The fourth proportional to 145,182,001.80, 217,773,002.70 and 129,309,630.60 is: 193,964,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,182,001.80 : 217,773,002.70 = 129,309,630.60 : x
  2. Step 2: Convert to fraction form
    145,182,001.80/217,773,002.70 = 129,309,630.60/x
  3. Step 3: Cross multiply
    145,182,001.80x = 217,773,002.70 × 129,309,630.60
  4. Step 4: Simplify right side
    145,182,001.80x = 28,160,146,533,789,800
  5. Step 5: Solve for x
    x = 28,160,146,533,789,800/145,182,001.80
  6. Step 6: Final answer
    x = 193,964,445.90

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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.