Home / 92,850,854.40-138,945,607.20-80,852,097.60

Finding the Fourth Proportional to 92,850,854.40, 138,945,607.20 and 80,852,097.60

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Solution

The fourth proportional to 92,850,854.40, 138,945,607.20 and 80,852,097.60 is: 120,990,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850,854.40 : 138,945,607.20 = 80,852,097.60 : x
  2. Step 2: Convert to fraction form
    92,850,854.40/138,945,607.20 = 80,852,097.60/x
  3. Step 3: Cross multiply
    92,850,854.40x = 138,945,607.20 × 80,852,097.60
  4. Step 4: Simplify right side
    92,850,854.40x = 11,234,043,794,425,660
  5. Step 5: Solve for x
    x = 11,234,043,794,425,660/92,850,854.40
  6. Step 6: Final answer
    x = 120,990,203.77

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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.