Home / 82,573,045.20-123,855,631.20-27,980,276.40

Finding the Fourth Proportional to 82,573,045.20, 123,855,631.20 and 27,980,276.40

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Solution

The fourth proportional to 82,573,045.20, 123,855,631.20 and 27,980,276.40 is: 41,969,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,573,045.20 : 123,855,631.20 = 27,980,276.40 : x
  2. Step 2: Convert to fraction form
    82,573,045.20/123,855,631.20 = 27,980,276.40/x
  3. Step 3: Cross multiply
    82,573,045.20x = 123,855,631.20 × 27,980,276.40
  4. Step 4: Simplify right side
    82,573,045.20x = 3,465,514,794,672,463.50
  5. Step 5: Solve for x
    x = 3,465,514,794,672,463.50/82,573,045.20
  6. Step 6: Final answer
    x = 41,969,080.66

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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.