Home / 157,443,611.20-236,165,416.80-100,189,700.80

Finding the Fourth Proportional to 157,443,611.20, 236,165,416.80 and 100,189,700.80

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Solution

The fourth proportional to 157,443,611.20, 236,165,416.80 and 100,189,700.80 is: 150,284,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,443,611.20 : 236,165,416.80 = 100,189,700.80 : x
  2. Step 2: Convert to fraction form
    157,443,611.20/236,165,416.80 = 100,189,700.80/x
  3. Step 3: Cross multiply
    157,443,611.20x = 236,165,416.80 × 100,189,700.80
  4. Step 4: Simplify right side
    157,443,611.20x = 23,661,342,448,499,292
  5. Step 5: Solve for x
    x = 23,661,342,448,499,292/157,443,611.20
  6. Step 6: Final answer
    x = 150,284,551.20

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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.