Home / 208,310,798.64-312,479,189.64-54,957,002.16

Finding the Fourth Proportional to 208,310,798.64, 312,479,189.64 and 54,957,002.16

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Solution

The fourth proportional to 208,310,798.64, 312,479,189.64 and 54,957,002.16 is: 82,438,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,310,798.64 : 312,479,189.64 = 54,957,002.16 : x
  2. Step 2: Convert to fraction form
    208,310,798.64/312,479,189.64 = 54,957,002.16/x
  3. Step 3: Cross multiply
    208,310,798.64x = 312,479,189.64 × 54,957,002.16
  4. Step 4: Simplify right side
    208,310,798.64x = 17,172,919,500,000,528
  5. Step 5: Solve for x
    x = 17,172,919,500,000,528/208,310,798.64
  6. Step 6: Final answer
    x = 82,438,930.73

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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.