Home / 52,488,138.30-78,732,207.45-18,397,182.30

Finding the Fourth Proportional to 52,488,138.30, 78,732,207.45 and 18,397,182.30

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Solution

The fourth proportional to 52,488,138.30, 78,732,207.45 and 18,397,182.30 is: 27,595,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,138.30 : 78,732,207.45 = 18,397,182.30 : x
  2. Step 2: Convert to fraction form
    52,488,138.30/78,732,207.45 = 18,397,182.30/x
  3. Step 3: Cross multiply
    52,488,138.30x = 78,732,207.45 × 18,397,182.30
  4. Step 4: Simplify right side
    52,488,138.30x = 1,448,450,773,339,068.25
  5. Step 5: Solve for x
    x = 1,448,450,773,339,068.25/52,488,138.30
  6. Step 6: Final answer
    x = 27,595,773.45

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Double scale
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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.