Home / 51,315,450.20-70,788,473.30-31,730,077.88

Finding the Fourth Proportional to 51,315,450.20, 70,788,473.30 and 31,730,077.88

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Solution

The fourth proportional to 51,315,450.20, 70,788,473.30 and 31,730,077.88 is: 43,770,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,315,450.20 : 70,788,473.30 = 31,730,077.88 : x
  2. Step 2: Convert to fraction form
    51,315,450.20/70,788,473.30 = 31,730,077.88/x
  3. Step 3: Cross multiply
    51,315,450.20x = 70,788,473.30 × 31,730,077.88
  4. Step 4: Simplify right side
    51,315,450.20x = 2,246,123,770,815,300.50
  5. Step 5: Solve for x
    x = 2,246,123,770,815,300.50/51,315,450.20
  6. Step 6: Final answer
    x = 43,770,906.46

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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.