Home / 52,612,238.20-78,843,707.70-38,858,049.40

Finding the Fourth Proportional to 52,612,238.20, 78,843,707.70 and 38,858,049.40

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Solution

The fourth proportional to 52,612,238.20, 78,843,707.70 and 38,858,049.40 is: 58,231,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,612,238.20 : 78,843,707.70 = 38,858,049.40 : x
  2. Step 2: Convert to fraction form
    52,612,238.20/78,843,707.70 = 38,858,049.40/x
  3. Step 3: Cross multiply
    52,612,238.20x = 78,843,707.70 × 38,858,049.40
  4. Step 4: Simplify right side
    52,612,238.20x = 3,063,712,688,685,760.50
  5. Step 5: Solve for x
    x = 3,063,712,688,685,760.50/52,612,238.20
  6. Step 6: Final answer
    x = 58,231,939.82

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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.