Home / 83,315,423.30-124,760,558.55-66,309,311.30

Finding the Fourth Proportional to 83,315,423.30, 124,760,558.55 and 66,309,311.30

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Solution

The fourth proportional to 83,315,423.30, 124,760,558.55 and 66,309,311.30 is: 99,294,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,315,423.30 : 124,760,558.55 = 66,309,311.30 : x
  2. Step 2: Convert to fraction form
    83,315,423.30/124,760,558.55 = 66,309,311.30/x
  3. Step 3: Cross multiply
    83,315,423.30x = 124,760,558.55 × 66,309,311.30
  4. Step 4: Simplify right side
    83,315,423.30x = 8,272,786,714,853,826
  5. Step 5: Solve for x
    x = 8,272,786,714,853,826/83,315,423.30
  6. Step 6: Final answer
    x = 99,294,781.05

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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.