Home / 130,793,926.20-180,482,067.18-80,550,195

Finding the Fourth Proportional to 130,793,926.20, 180,482,067.18 and 80,550,195

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Solution

The fourth proportional to 130,793,926.20, 180,482,067.18 and 80,550,195 is: 111,150,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,793,926.20 : 180,482,067.18 = 80,550,195 : x
  2. Step 2: Convert to fraction form
    130,793,926.20/180,482,067.18 = 80,550,195/x
  3. Step 3: Cross multiply
    130,793,926.20x = 180,482,067.18 × 80,550,195
  4. Step 4: Simplify right side
    130,793,926.20x = 14,537,865,705,352,100
  5. Step 5: Solve for x
    x = 14,537,865,705,352,100/130,793,926.20
  6. Step 6: Final answer
    x = 111,150,923.65

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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.