Home / 90,690,414.32-136,021,598.76-33,169,234.16

Finding the Fourth Proportional to 90,690,414.32, 136,021,598.76 and 33,169,234.16

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Solution

The fourth proportional to 90,690,414.32, 136,021,598.76 and 33,169,234.16 is: 49,748,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,690,414.32 : 136,021,598.76 = 33,169,234.16 : x
  2. Step 2: Convert to fraction form
    90,690,414.32/136,021,598.76 = 33,169,234.16/x
  3. Step 3: Cross multiply
    90,690,414.32x = 136,021,598.76 × 33,169,234.16
  4. Step 4: Simplify right side
    90,690,414.32x = 4,511,732,260,088,005
  5. Step 5: Solve for x
    x = 4,511,732,260,088,005/90,690,414.32
  6. Step 6: Final answer
    x = 49,748,722.55

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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.