Home / 82,700,887.80-124,051,331.70-55,491,108.60

Finding the Fourth Proportional to 82,700,887.80, 124,051,331.70 and 55,491,108.60

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Solution

The fourth proportional to 82,700,887.80, 124,051,331.70 and 55,491,108.60 is: 83,236,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,700,887.80 : 124,051,331.70 = 55,491,108.60 : x
  2. Step 2: Convert to fraction form
    82,700,887.80/124,051,331.70 = 55,491,108.60/x
  3. Step 3: Cross multiply
    82,700,887.80x = 124,051,331.70 × 55,491,108.60
  4. Step 4: Simplify right side
    82,700,887.80x = 6,883,745,919,339,323
  5. Step 5: Solve for x
    x = 6,883,745,919,339,323/82,700,887.80
  6. Step 6: Final answer
    x = 83,236,662.90

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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.