Home / 107,158,209.15-147,941,721.90-67,499,735.97

Finding the Fourth Proportional to 107,158,209.15, 147,941,721.90 and 67,499,735.97

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Solution

The fourth proportional to 107,158,209.15, 147,941,721.90 and 67,499,735.97 is: 93,189,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,158,209.15 : 147,941,721.90 = 67,499,735.97 : x
  2. Step 2: Convert to fraction form
    107,158,209.15/147,941,721.90 = 67,499,735.97/x
  3. Step 3: Cross multiply
    107,158,209.15x = 147,941,721.90 × 67,499,735.97
  4. Step 4: Simplify right side
    107,158,209.15x = 9,986,027,167,197,166
  5. Step 5: Solve for x
    x = 9,986,027,167,197,166/107,158,209.15
  6. Step 6: Final answer
    x = 93,189,567.52

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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.