Home / 342,746,432.44-513,760,857.10-143,439,914.95

Finding the Fourth Proportional to 342,746,432.44, 513,760,857.10 and 143,439,914.95

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Solution

The fourth proportional to 342,746,432.44, 513,760,857.10 and 143,439,914.95 is: 215,009,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,746,432.44 : 513,760,857.10 = 143,439,914.95 : x
  2. Step 2: Convert to fraction form
    342,746,432.44/513,760,857.10 = 143,439,914.95/x
  3. Step 3: Cross multiply
    342,746,432.44x = 513,760,857.10 × 143,439,914.95
  4. Step 4: Simplify right side
    342,746,432.44x = 73,693,813,645,420,096
  5. Step 5: Solve for x
    x = 73,693,813,645,420,096/342,746,432.44
  6. Step 6: Final answer
    x = 215,009,717.60

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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.