Home / 90,690,024.16-136,021,009.68-33,168,842.56

Finding the Fourth Proportional to 90,690,024.16, 136,021,009.68 and 33,168,842.56

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Solution

The fourth proportional to 90,690,024.16, 136,021,009.68 and 33,168,842.56 is: 49,748,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,690,024.16 : 136,021,009.68 = 33,168,842.56 : x
  2. Step 2: Convert to fraction form
    90,690,024.16/136,021,009.68 = 33,168,842.56/x
  3. Step 3: Cross multiply
    90,690,024.16x = 136,021,009.68 × 33,168,842.56
  4. Step 4: Simplify right side
    90,690,024.16x = 4,511,659,454,928,156
  5. Step 5: Solve for x
    x = 4,511,659,454,928,156/90,690,024.16
  6. Step 6: Final answer
    x = 49,748,133.79

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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.