Home / 52,099,344.61-78,160,920.68-18,020,661.73

Finding the Fourth Proportional to 52,099,344.61, 78,160,920.68 and 18,020,661.73

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Solution

The fourth proportional to 52,099,344.61, 78,160,920.68 and 18,020,661.73 is: 27,035,109.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,099,344.61 : 78,160,920.68 = 18,020,661.73 : x
  2. Step 2: Convert to fraction form
    52,099,344.61/78,160,920.68 = 18,020,661.73/x
  3. Step 3: Cross multiply
    52,099,344.61x = 78,160,920.68 × 18,020,661.73
  4. Step 4: Simplify right side
    52,099,344.61x = 1,408,511,512,079,641.75
  5. Step 5: Solve for x
    x = 1,408,511,512,079,641.75/52,099,344.61
  6. Step 6: Final answer
    x = 27,035,109.99

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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.