Home / 132,649,272.30-198,973,908.45-80,780,630.70

Finding the Fourth Proportional to 132,649,272.30, 198,973,908.45 and 80,780,630.70

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Solution

The fourth proportional to 132,649,272.30, 198,973,908.45 and 80,780,630.70 is: 121,170,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,649,272.30 : 198,973,908.45 = 80,780,630.70 : x
  2. Step 2: Convert to fraction form
    132,649,272.30/198,973,908.45 = 80,780,630.70/x
  3. Step 3: Cross multiply
    132,649,272.30x = 198,973,908.45 × 80,780,630.70
  4. Step 4: Simplify right side
    132,649,272.30x = 16,073,237,817,435,060
  5. Step 5: Solve for x
    x = 16,073,237,817,435,060/132,649,272.30
  6. Step 6: Final answer
    x = 121,170,946.05

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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.