Home / 109,654,989.20-164,482,483.80-88,131,628.70

Finding the Fourth Proportional to 109,654,989.20, 164,482,483.80 and 88,131,628.70

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Solution

The fourth proportional to 109,654,989.20, 164,482,483.80 and 88,131,628.70 is: 132,197,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,654,989.20 : 164,482,483.80 = 88,131,628.70 : x
  2. Step 2: Convert to fraction form
    109,654,989.20/164,482,483.80 = 88,131,628.70/x
  3. Step 3: Cross multiply
    109,654,989.20x = 164,482,483.80 × 88,131,628.70
  4. Step 4: Simplify right side
    109,654,989.20x = 14,496,109,189,915,366
  5. Step 5: Solve for x
    x = 14,496,109,189,915,366/109,654,989.20
  6. Step 6: Final answer
    x = 132,197,443.05

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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.