Home / 124,475,419.20-186,713,128.80-67,079,791.20

Finding the Fourth Proportional to 124,475,419.20, 186,713,128.80 and 67,079,791.20

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Solution

The fourth proportional to 124,475,419.20, 186,713,128.80 and 67,079,791.20 is: 100,619,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,475,419.20 : 186,713,128.80 = 67,079,791.20 : x
  2. Step 2: Convert to fraction form
    124,475,419.20/186,713,128.80 = 67,079,791.20/x
  3. Step 3: Cross multiply
    124,475,419.20x = 186,713,128.80 × 67,079,791.20
  4. Step 4: Simplify right side
    124,475,419.20x = 12,524,677,694,202,708
  5. Step 5: Solve for x
    x = 12,524,677,694,202,708/124,475,419.20
  6. Step 6: Final answer
    x = 100,619,686.80

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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.