Home / 100,687,530.60-151,031,295.90-84,531,724.20

Finding the Fourth Proportional to 100,687,530.60, 151,031,295.90 and 84,531,724.20

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Solution

The fourth proportional to 100,687,530.60, 151,031,295.90 and 84,531,724.20 is: 126,797,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,687,530.60 : 151,031,295.90 = 84,531,724.20 : x
  2. Step 2: Convert to fraction form
    100,687,530.60/151,031,295.90 = 84,531,724.20/x
  3. Step 3: Cross multiply
    100,687,530.60x = 151,031,295.90 × 84,531,724.20
  4. Step 4: Simplify right side
    100,687,530.60x = 12,766,935,850,587,392
  5. Step 5: Solve for x
    x = 12,766,935,850,587,392/100,687,530.60
  6. Step 6: Final answer
    x = 126,797,586.30

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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.