Home / 437,508,032.40-656,178,067.80-130,810,150.80

Finding the Fourth Proportional to 437,508,032.40, 656,178,067.80 and 130,810,150.80

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Solution

The fourth proportional to 437,508,032.40, 656,178,067.80 and 130,810,150.80 is: 196,190,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,508,032.40 : 656,178,067.80 = 130,810,150.80 : x
  2. Step 2: Convert to fraction form
    437,508,032.40/656,178,067.80 = 130,810,150.80/x
  3. Step 3: Cross multiply
    437,508,032.40x = 656,178,067.80 × 130,810,150.80
  4. Step 4: Simplify right side
    437,508,032.40x = 85,834,752,000,570,624
  5. Step 5: Solve for x
    x = 85,834,752,000,570,624/437,508,032.40
  6. Step 6: Final answer
    x = 196,190,116.85

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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.