Home / 83,288,291.20-124,766,548.80-73,312,892.80

Finding the Fourth Proportional to 83,288,291.20, 124,766,548.80 and 73,312,892.80

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Solution

The fourth proportional to 83,288,291.20, 124,766,548.80 and 73,312,892.80 is: 109,823,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,288,291.20 : 124,766,548.80 = 73,312,892.80 : x
  2. Step 2: Convert to fraction form
    83,288,291.20/124,766,548.80 = 73,312,892.80/x
  3. Step 3: Cross multiply
    83,288,291.20x = 124,766,548.80 × 73,312,892.80
  4. Step 4: Simplify right side
    83,288,291.20x = 9,146,996,617,200,368
  5. Step 5: Solve for x
    x = 9,146,996,617,200,368/83,288,291.20
  6. Step 6: Final answer
    x = 109,823,319.53

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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.