Home / 90,520,060.96-124,917,677.20-49,267,249.12

Finding the Fourth Proportional to 90,520,060.96, 124,917,677.20 and 49,267,249.12

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Solution

The fourth proportional to 90,520,060.96, 124,917,677.20 and 49,267,249.12 is: 67,988,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,520,060.96 : 124,917,677.20 = 49,267,249.12 : x
  2. Step 2: Convert to fraction form
    90,520,060.96/124,917,677.20 = 49,267,249.12/x
  3. Step 3: Cross multiply
    90,520,060.96x = 124,917,677.20 × 49,267,249.12
  4. Step 4: Simplify right side
    90,520,060.96x = 6,154,350,322,104,144
  5. Step 5: Solve for x
    x = 6,154,350,322,104,144/90,520,060.96
  6. Step 6: Final answer
    x = 67,988,800.02

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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.