Home / 124,811,679.40-187,217,519.10-83,997,010.60

Finding the Fourth Proportional to 124,811,679.40, 187,217,519.10 and 83,997,010.60

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Solution

The fourth proportional to 124,811,679.40, 187,217,519.10 and 83,997,010.60 is: 125,995,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,811,679.40 : 187,217,519.10 = 83,997,010.60 : x
  2. Step 2: Convert to fraction form
    124,811,679.40/187,217,519.10 = 83,997,010.60/x
  3. Step 3: Cross multiply
    124,811,679.40x = 187,217,519.10 × 83,997,010.60
  4. Step 4: Simplify right side
    124,811,679.40x = 15,725,711,936,348,400
  5. Step 5: Solve for x
    x = 15,725,711,936,348,400/124,811,679.40
  6. Step 6: Final answer
    x = 125,995,515.90

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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.