Home / 130,793,924.20-180,482,064.42-80,550,193

Finding the Fourth Proportional to 130,793,924.20, 180,482,064.42 and 80,550,193

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Solution

The fourth proportional to 130,793,924.20, 180,482,064.42 and 80,550,193 is: 111,150,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,793,924.20 : 180,482,064.42 = 80,550,193 : x
  2. Step 2: Convert to fraction form
    130,793,924.20/180,482,064.42 = 80,550,193/x
  3. Step 3: Cross multiply
    130,793,924.20x = 180,482,064.42 × 80,550,193
  4. Step 4: Simplify right side
    130,793,924.20x = 14,537,865,122,069,432
  5. Step 5: Solve for x
    x = 14,537,865,122,069,432/130,793,924.20
  6. Step 6: Final answer
    x = 111,150,920.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.