Home / 52,258,760.22-72,121,123.26-31,351,575.90

Finding the Fourth Proportional to 52,258,760.22, 72,121,123.26 and 31,351,575.90

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Solution

The fourth proportional to 52,258,760.22, 72,121,123.26 and 31,351,575.90 is: 43,267,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258,760.22 : 72,121,123.26 = 31,351,575.90 : x
  2. Step 2: Convert to fraction form
    52,258,760.22/72,121,123.26 = 31,351,575.90/x
  3. Step 3: Cross multiply
    52,258,760.22x = 72,121,123.26 × 31,351,575.90
  4. Step 4: Simplify right side
    52,258,760.22x = 2,261,110,869,879,145.50
  5. Step 5: Solve for x
    x = 2,261,110,869,879,145.50/52,258,760.22
  6. Step 6: Final answer
    x = 43,267,594.95

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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.