Home / 76,465,062.27-114,733,465.56-38,129,565.72

Finding the Fourth Proportional to 76,465,062.27, 114,733,465.56 and 38,129,565.72

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Solution

The fourth proportional to 76,465,062.27, 114,733,465.56 and 38,129,565.72 is: 57,212,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,465,062.27 : 114,733,465.56 = 38,129,565.72 : x
  2. Step 2: Convert to fraction form
    76,465,062.27/114,733,465.56 = 38,129,565.72/x
  3. Step 3: Cross multiply
    76,465,062.27x = 114,733,465.56 × 38,129,565.72
  4. Step 4: Simplify right side
    76,465,062.27x = 4,374,737,215,353,376.50
  5. Step 5: Solve for x
    x = 4,374,737,215,353,376.50/76,465,062.27
  6. Step 6: Final answer
    x = 57,212,236.35

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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.