Home / 87,795,711.17-121,165,521.64-48,649,767.11

Finding the Fourth Proportional to 87,795,711.17, 121,165,521.64 and 48,649,767.11

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Solution

The fourth proportional to 87,795,711.17, 121,165,521.64 and 48,649,767.11 is: 67,140,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,795,711.17 : 121,165,521.64 = 48,649,767.11 : x
  2. Step 2: Convert to fraction form
    87,795,711.17/121,165,521.64 = 48,649,767.11/x
  3. Step 3: Cross multiply
    87,795,711.17x = 121,165,521.64 × 48,649,767.11
  4. Step 4: Simplify right side
    87,795,711.17x = 5,894,674,409,274,584
  5. Step 5: Solve for x
    x = 5,894,674,409,274,584/87,795,711.17
  6. Step 6: Final answer
    x = 67,140,801.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.