Home / 83,219,499.70-124,829,249.55-73,141,803.70

Finding the Fourth Proportional to 83,219,499.70, 124,829,249.55 and 73,141,803.70

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Solution

The fourth proportional to 83,219,499.70, 124,829,249.55 and 73,141,803.70 is: 109,712,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,219,499.70 : 124,829,249.55 = 73,141,803.70 : x
  2. Step 2: Convert to fraction form
    83,219,499.70/124,829,249.55 = 73,141,803.70/x
  3. Step 3: Cross multiply
    83,219,499.70x = 124,829,249.55 × 73,141,803.70
  4. Step 4: Simplify right side
    83,219,499.70x = 9,130,236,466,604,414
  5. Step 5: Solve for x
    x = 9,130,236,466,604,414/83,219,499.70
  6. Step 6: Final answer
    x = 109,712,705.55

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Similar ratio
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1.5x scale

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.