Home / 100,581,843.96-151,544,876.52-90,877,736.16

Finding the Fourth Proportional to 100,581,843.96, 151,544,876.52 and 90,877,736.16

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Solution

The fourth proportional to 100,581,843.96, 151,544,876.52 and 90,877,736.16 is: 136,923,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,581,843.96 : 151,544,876.52 = 90,877,736.16 : x
  2. Step 2: Convert to fraction form
    100,581,843.96/151,544,876.52 = 90,877,736.16/x
  3. Step 3: Cross multiply
    100,581,843.96x = 151,544,876.52 × 90,877,736.16
  4. Step 4: Simplify right side
    100,581,843.96x = 13,772,055,304,784,340
  5. Step 5: Solve for x
    x = 13,772,055,304,784,340/100,581,843.96
  6. Step 6: Final answer
    x = 136,923,869.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.