Home / 129,027,486.80-193,541,230.20-64,530,232.40

Finding the Fourth Proportional to 129,027,486.80, 193,541,230.20 and 64,530,232.40

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Solution

The fourth proportional to 129,027,486.80, 193,541,230.20 and 64,530,232.40 is: 96,795,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,027,486.80 : 193,541,230.20 = 64,530,232.40 : x
  2. Step 2: Convert to fraction form
    129,027,486.80/193,541,230.20 = 64,530,232.40/x
  3. Step 3: Cross multiply
    129,027,486.80x = 193,541,230.20 × 64,530,232.40
  4. Step 4: Simplify right side
    129,027,486.80x = 12,489,260,563,787,898
  5. Step 5: Solve for x
    x = 12,489,260,563,787,898/129,027,486.80
  6. Step 6: Final answer
    x = 96,795,348.60

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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.