Home / 56,261,942.21-84,392,439.23-43,976,239.55

Finding the Fourth Proportional to 56,261,942.21, 84,392,439.23 and 43,976,239.55

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Solution

The fourth proportional to 56,261,942.21, 84,392,439.23 and 43,976,239.55 is: 65,963,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,261,942.21 : 84,392,439.23 = 43,976,239.55 : x
  2. Step 2: Convert to fraction form
    56,261,942.21/84,392,439.23 = 43,976,239.55/x
  3. Step 3: Cross multiply
    56,261,942.21x = 84,392,439.23 × 43,976,239.55
  4. Step 4: Simplify right side
    56,261,942.21x = 3,711,262,123,145,454
  5. Step 5: Solve for x
    x = 3,711,262,123,145,454/56,261,942.21
  6. Step 6: Final answer
    x = 65,963,988.76

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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.