Home / 53,199,134.10-79,798,701.15-20,840,282.10

Finding the Fourth Proportional to 53,199,134.10, 79,798,701.15 and 20,840,282.10

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Solution

The fourth proportional to 53,199,134.10, 79,798,701.15 and 20,840,282.10 is: 31,260,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,199,134.10 : 79,798,701.15 = 20,840,282.10 : x
  2. Step 2: Convert to fraction form
    53,199,134.10/79,798,701.15 = 20,840,282.10/x
  3. Step 3: Cross multiply
    53,199,134.10x = 79,798,701.15 × 20,840,282.10
  4. Step 4: Simplify right side
    53,199,134.10x = 1,663,027,443,179,594.75
  5. Step 5: Solve for x
    x = 1,663,027,443,179,594.75/53,199,134.10
  6. Step 6: Final answer
    x = 31,260,423.15

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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.