Home / 168,257,330.61-252,829,859.88-90,591,657.14

Finding the Fourth Proportional to 168,257,330.61, 252,829,859.88 and 90,591,657.14

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Solution

The fourth proportional to 168,257,330.61, 252,829,859.88 and 90,591,657.14 is: 136,126,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,257,330.61 : 252,829,859.88 = 90,591,657.14 : x
  2. Step 2: Convert to fraction form
    168,257,330.61/252,829,859.88 = 90,591,657.14/x
  3. Step 3: Cross multiply
    168,257,330.61x = 252,829,859.88 × 90,591,657.14
  4. Step 4: Simplify right side
    168,257,330.61x = 22,904,275,979,739,052
  5. Step 5: Solve for x
    x = 22,904,275,979,739,052/168,257,330.61
  6. Step 6: Final answer
    x = 136,126,467.10

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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.