Home / 80,592,002.70-120,888,004.05-58,085,148.30

Finding the Fourth Proportional to 80,592,002.70, 120,888,004.05 and 58,085,148.30

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Solution

The fourth proportional to 80,592,002.70, 120,888,004.05 and 58,085,148.30 is: 87,127,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592,002.70 : 120,888,004.05 = 58,085,148.30 : x
  2. Step 2: Convert to fraction form
    80,592,002.70/120,888,004.05 = 58,085,148.30/x
  3. Step 3: Cross multiply
    80,592,002.70x = 120,888,004.05 × 58,085,148.30
  4. Step 4: Simplify right side
    80,592,002.70x = 7,021,797,642,935,250
  5. Step 5: Solve for x
    x = 7,021,797,642,935,250/80,592,002.70
  6. Step 6: Final answer
    x = 87,127,722.45

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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.