Home / 107,839,079.20-161,758,618.80-71,559,373.60

Finding the Fourth Proportional to 107,839,079.20, 161,758,618.80 and 71,559,373.60

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Solution

The fourth proportional to 107,839,079.20, 161,758,618.80 and 71,559,373.60 is: 107,339,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,079.20 : 161,758,618.80 = 71,559,373.60 : x
  2. Step 2: Convert to fraction form
    107,839,079.20/161,758,618.80 = 71,559,373.60/x
  3. Step 3: Cross multiply
    107,839,079.20x = 161,758,618.80 × 71,559,373.60
  4. Step 4: Simplify right side
    107,839,079.20x = 11,575,345,435,729,184
  5. Step 5: Solve for x
    x = 11,575,345,435,729,184/107,839,079.20
  6. Step 6: Final answer
    x = 107,339,060.40

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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.