Home / 53,150,853.10-79,726,279.65-12,761,337.10

Finding the Fourth Proportional to 53,150,853.10, 79,726,279.65 and 12,761,337.10

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Solution

The fourth proportional to 53,150,853.10, 79,726,279.65 and 12,761,337.10 is: 19,142,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,150,853.10 : 79,726,279.65 = 12,761,337.10 : x
  2. Step 2: Convert to fraction form
    53,150,853.10/79,726,279.65 = 12,761,337.10/x
  3. Step 3: Cross multiply
    53,150,853.10x = 79,726,279.65 × 12,761,337.10
  4. Step 4: Simplify right side
    53,150,853.10x = 1,017,413,930,342,520
  5. Step 5: Solve for x
    x = 1,017,413,930,342,520/53,150,853.10
  6. Step 6: Final answer
    x = 19,142,005.65

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Similar ratio
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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.