Home / 100,903,857.20-151,355,785.80-88,149,273.20

Finding the Fourth Proportional to 100,903,857.20, 151,355,785.80 and 88,149,273.20

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Solution

The fourth proportional to 100,903,857.20, 151,355,785.80 and 88,149,273.20 is: 132,223,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,903,857.20 : 151,355,785.80 = 88,149,273.20 : x
  2. Step 2: Convert to fraction form
    100,903,857.20/151,355,785.80 = 88,149,273.20/x
  3. Step 3: Cross multiply
    100,903,857.20x = 151,355,785.80 × 88,149,273.20
  4. Step 4: Simplify right side
    100,903,857.20x = 13,341,902,512,884,882
  5. Step 5: Solve for x
    x = 13,341,902,512,884,882/100,903,857.20
  6. Step 6: Final answer
    x = 132,223,909.80

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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.