Home / 108,860,810.80-163,291,216.20-100,546,711.60

Finding the Fourth Proportional to 108,860,810.80, 163,291,216.20 and 100,546,711.60

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Solution

The fourth proportional to 108,860,810.80, 163,291,216.20 and 100,546,711.60 is: 150,820,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,860,810.80 : 163,291,216.20 = 100,546,711.60 : x
  2. Step 2: Convert to fraction form
    108,860,810.80/163,291,216.20 = 100,546,711.60/x
  3. Step 3: Cross multiply
    108,860,810.80x = 163,291,216.20 × 100,546,711.60
  4. Step 4: Simplify right side
    108,860,810.80x = 16,418,394,822,074,646
  5. Step 5: Solve for x
    x = 16,418,394,822,074,646/108,860,810.80
  6. Step 6: Final answer
    x = 150,820,067.40

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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.