Home / 140,290,073.42-193,607,049.08-77,565,010.73

Finding the Fourth Proportional to 140,290,073.42, 193,607,049.08 and 77,565,010.73

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Solution

The fourth proportional to 140,290,073.42, 193,607,049.08 and 77,565,010.73 is: 107,043,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,290,073.42 : 193,607,049.08 = 77,565,010.73 : x
  2. Step 2: Convert to fraction form
    140,290,073.42/193,607,049.08 = 77,565,010.73/x
  3. Step 3: Cross multiply
    140,290,073.42x = 193,607,049.08 × 77,565,010.73
  4. Step 4: Simplify right side
    140,290,073.42x = 15,017,132,838,519,714
  5. Step 5: Solve for x
    x = 15,017,132,838,519,714/140,290,073.42
  6. Step 6: Final answer
    x = 107,043,445.58

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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.