Home / 38,314,127.20-57,471,190.80-31,511,682.40

Finding the Fourth Proportional to 38,314,127.20, 57,471,190.80 and 31,511,682.40

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Solution

The fourth proportional to 38,314,127.20, 57,471,190.80 and 31,511,682.40 is: 47,267,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314,127.20 : 57,471,190.80 = 31,511,682.40 : x
  2. Step 2: Convert to fraction form
    38,314,127.20/57,471,190.80 = 31,511,682.40/x
  3. Step 3: Cross multiply
    38,314,127.20x = 57,471,190.80 × 31,511,682.40
  4. Step 4: Simplify right side
    38,314,127.20x = 1,811,013,911,639,401.75
  5. Step 5: Solve for x
    x = 1,811,013,911,639,401.75/38,314,127.20
  6. Step 6: Final answer
    x = 47,267,523.60

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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.