Home / 52,398,099.91-72,310,168.70-30,074,778.55

Finding the Fourth Proportional to 52,398,099.91, 72,310,168.70 and 30,074,778.55

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Solution

The fourth proportional to 52,398,099.91, 72,310,168.70 and 30,074,778.55 is: 41,503,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,398,099.91 : 72,310,168.70 = 30,074,778.55 : x
  2. Step 2: Convert to fraction form
    52,398,099.91/72,310,168.70 = 30,074,778.55/x
  3. Step 3: Cross multiply
    52,398,099.91x = 72,310,168.70 × 30,074,778.55
  4. Step 4: Simplify right side
    52,398,099.91x = 2,174,712,310,565,641.50
  5. Step 5: Solve for x
    x = 2,174,712,310,565,641.50/52,398,099.91
  6. Step 6: Final answer
    x = 41,503,648.31

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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.