Home / 118,080,729.80-177,154,272.30-57,498,432.20

Finding the Fourth Proportional to 118,080,729.80, 177,154,272.30 and 57,498,432.20

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Solution

The fourth proportional to 118,080,729.80, 177,154,272.30 and 57,498,432.20 is: 86,263,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,080,729.80 : 177,154,272.30 = 57,498,432.20 : x
  2. Step 2: Convert to fraction form
    118,080,729.80/177,154,272.30 = 57,498,432.20/x
  3. Step 3: Cross multiply
    118,080,729.80x = 177,154,272.30 × 57,498,432.20
  4. Step 4: Simplify right side
    118,080,729.80x = 10,186,092,914,781,890
  5. Step 5: Solve for x
    x = 10,186,092,914,781,890/118,080,729.80
  6. Step 6: Final answer
    x = 86,263,803.86

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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.