Home / 88,573,738.20-132,860,607.30-66,572,080.80

Finding the Fourth Proportional to 88,573,738.20, 132,860,607.30 and 66,572,080.80

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Solution

The fourth proportional to 88,573,738.20, 132,860,607.30 and 66,572,080.80 is: 99,858,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,738.20 : 132,860,607.30 = 66,572,080.80 : x
  2. Step 2: Convert to fraction form
    88,573,738.20/132,860,607.30 = 66,572,080.80/x
  3. Step 3: Cross multiply
    88,573,738.20x = 132,860,607.30 × 66,572,080.80
  4. Step 4: Simplify right side
    88,573,738.20x = 8,844,807,084,312,669
  5. Step 5: Solve for x
    x = 8,844,807,084,312,669/88,573,738.20
  6. Step 6: Final answer
    x = 99,858,121.20

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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.