Home / 52,178,846.70-78,193,620.45-38,424,657.90

Finding the Fourth Proportional to 52,178,846.70, 78,193,620.45 and 38,424,657.90

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Solution

The fourth proportional to 52,178,846.70, 78,193,620.45 and 38,424,657.90 is: 57,582,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,846.70 : 78,193,620.45 = 38,424,657.90 : x
  2. Step 2: Convert to fraction form
    52,178,846.70/78,193,620.45 = 38,424,657.90/x
  3. Step 3: Cross multiply
    52,178,846.70x = 78,193,620.45 × 38,424,657.90
  4. Step 4: Simplify right side
    52,178,846.70x = 3,004,563,115,753,694
  5. Step 5: Solve for x
    x = 3,004,563,115,753,694/52,178,846.70
  6. Step 6: Final answer
    x = 57,582,014.66

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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.