Home / 112,380,614.80-168,381,965.40-93,107,021.20

Finding the Fourth Proportional to 112,380,614.80, 168,381,965.40 and 93,107,021.20

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Solution

The fourth proportional to 112,380,614.80, 168,381,965.40 and 93,107,021.20 is: 139,503,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,380,614.80 : 168,381,965.40 = 93,107,021.20 : x
  2. Step 2: Convert to fraction form
    112,380,614.80/168,381,965.40 = 93,107,021.20/x
  3. Step 3: Cross multiply
    112,380,614.80x = 168,381,965.40 × 93,107,021.20
  4. Step 4: Simplify right side
    112,380,614.80x = 15,677,543,222,195,468
  5. Step 5: Solve for x
    x = 15,677,543,222,195,468/112,380,614.80
  6. Step 6: Final answer
    x = 139,503,981.63

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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.