Home / 157,272,820.80-235,909,231.20-88,398,067.20

Finding the Fourth Proportional to 157,272,820.80, 235,909,231.20 and 88,398,067.20

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Solution

The fourth proportional to 157,272,820.80, 235,909,231.20 and 88,398,067.20 is: 132,597,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,272,820.80 : 235,909,231.20 = 88,398,067.20 : x
  2. Step 2: Convert to fraction form
    157,272,820.80/235,909,231.20 = 88,398,067.20/x
  3. Step 3: Cross multiply
    157,272,820.80x = 235,909,231.20 × 88,398,067.20
  4. Step 4: Simplify right side
    157,272,820.80x = 20,853,920,072,717,936
  5. Step 5: Solve for x
    x = 20,853,920,072,717,936/157,272,820.80
  6. Step 6: Final answer
    x = 132,597,100.80

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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.