Home / 82,256,731.98-122,649,700.95-79,996,779.12

Finding the Fourth Proportional to 82,256,731.98, 122,649,700.95 and 79,996,779.12

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Solution

The fourth proportional to 82,256,731.98, 122,649,700.95 and 79,996,779.12 is: 119,279,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,256,731.98 : 122,649,700.95 = 79,996,779.12 : x
  2. Step 2: Convert to fraction form
    82,256,731.98/122,649,700.95 = 79,996,779.12/x
  3. Step 3: Cross multiply
    82,256,731.98x = 122,649,700.95 × 79,996,779.12
  4. Step 4: Simplify right side
    82,256,731.98x = 9,811,581,036,031,204
  5. Step 5: Solve for x
    x = 9,811,581,036,031,204/82,256,731.98
  6. Step 6: Final answer
    x = 119,279,976.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.