Home / 38,314,128.20-57,471,192.30-31,511,683.40

Finding the Fourth Proportional to 38,314,128.20, 57,471,192.30 and 31,511,683.40

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Solution

The fourth proportional to 38,314,128.20, 57,471,192.30 and 31,511,683.40 is: 47,267,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314,128.20 : 57,471,192.30 = 31,511,683.40 : x
  2. Step 2: Convert to fraction form
    38,314,128.20/57,471,192.30 = 31,511,683.40/x
  3. Step 3: Cross multiply
    38,314,128.20x = 57,471,192.30 × 31,511,683.40
  4. Step 4: Simplify right side
    38,314,128.20x = 1,811,014,016,378,117.75
  5. Step 5: Solve for x
    x = 1,811,014,016,378,117.75/38,314,128.20
  6. Step 6: Final answer
    x = 47,267,525.10

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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.