Home / 121,344,343.10-182,016,514.65-80,529,674.30

Finding the Fourth Proportional to 121,344,343.10, 182,016,514.65 and 80,529,674.30

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Solution

The fourth proportional to 121,344,343.10, 182,016,514.65 and 80,529,674.30 is: 120,794,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,344,343.10 : 182,016,514.65 = 80,529,674.30 : x
  2. Step 2: Convert to fraction form
    121,344,343.10/182,016,514.65 = 80,529,674.30/x
  3. Step 3: Cross multiply
    121,344,343.10x = 182,016,514.65 × 80,529,674.30
  4. Step 4: Simplify right side
    121,344,343.10x = 14,657,730,641,985,678
  5. Step 5: Solve for x
    x = 14,657,730,641,985,678/121,344,343.10
  6. Step 6: Final answer
    x = 120,794,511.45

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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.