Home / 65,555,764.64-90,466,438.80-38,056,249.76

Finding the Fourth Proportional to 65,555,764.64, 90,466,438.80 and 38,056,249.76

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Solution

The fourth proportional to 65,555,764.64, 90,466,438.80 and 38,056,249.76 is: 52,517,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555,764.64 : 90,466,438.80 = 38,056,249.76 : x
  2. Step 2: Convert to fraction form
    65,555,764.64/90,466,438.80 = 38,056,249.76/x
  3. Step 3: Cross multiply
    65,555,764.64x = 90,466,438.80 × 38,056,249.76
  4. Step 4: Simplify right side
    65,555,764.64x = 3,442,813,389,870,554.50
  5. Step 5: Solve for x
    x = 3,442,813,389,870,554.50/65,555,764.64
  6. Step 6: Final answer
    x = 52,517,324.89

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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.