Home / 124,919,797.68-172,394,708-69,165,219.15

Finding the Fourth Proportional to 124,919,797.68, 172,394,708 and 69,165,219.15

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Solution

The fourth proportional to 124,919,797.68, 172,394,708 and 69,165,219.15 is: 95,450,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,919,797.68 : 172,394,708 = 69,165,219.15 : x
  2. Step 2: Convert to fraction form
    124,919,797.68/172,394,708 = 69,165,219.15/x
  3. Step 3: Cross multiply
    124,919,797.68x = 172,394,708 × 69,165,219.15
  4. Step 4: Simplify right side
    124,919,797.68x = 11,923,717,759,120,260
  5. Step 5: Solve for x
    x = 11,923,717,759,120,260/124,919,797.68
  6. Step 6: Final answer
    x = 95,450,985.20

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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.