Home / 165,280,608.90-247,920,913.35-147,424,191.30

Finding the Fourth Proportional to 165,280,608.90, 247,920,913.35 and 147,424,191.30

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Solution

The fourth proportional to 165,280,608.90, 247,920,913.35 and 147,424,191.30 is: 221,136,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,608.90 : 247,920,913.35 = 147,424,191.30 : x
  2. Step 2: Convert to fraction form
    165,280,608.90/247,920,913.35 = 147,424,191.30/x
  3. Step 3: Cross multiply
    165,280,608.90x = 247,920,913.35 × 147,424,191.30
  4. Step 4: Simplify right side
    165,280,608.90x = 36,549,540,156,981,128
  5. Step 5: Solve for x
    x = 36,549,540,156,981,128/165,280,608.90
  6. Step 6: Final answer
    x = 221,136,286.95

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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.