Home / 130,719,860.80-196,079,791.20-34,981,748.80

Finding the Fourth Proportional to 130,719,860.80, 196,079,791.20 and 34,981,748.80

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Solution

The fourth proportional to 130,719,860.80, 196,079,791.20 and 34,981,748.80 is: 52,472,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,719,860.80 : 196,079,791.20 = 34,981,748.80 : x
  2. Step 2: Convert to fraction form
    130,719,860.80/196,079,791.20 = 34,981,748.80/x
  3. Step 3: Cross multiply
    130,719,860.80x = 196,079,791.20 × 34,981,748.80
  4. Step 4: Simplify right side
    130,719,860.80x = 6,859,214,000,514,850
  5. Step 5: Solve for x
    x = 6,859,214,000,514,850/130,719,860.80
  6. Step 6: Final answer
    x = 52,472,623.20

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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.