Home / 57,465,883.20-79,304,591.36-31,362,081.28

Finding the Fourth Proportional to 57,465,883.20, 79,304,591.36 and 31,362,081.28

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Solution

The fourth proportional to 57,465,883.20, 79,304,591.36 and 31,362,081.28 is: 43,280,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,465,883.20 : 79,304,591.36 = 31,362,081.28 : x
  2. Step 2: Convert to fraction form
    57,465,883.20/79,304,591.36 = 31,362,081.28/x
  3. Step 3: Cross multiply
    57,465,883.20x = 79,304,591.36 × 31,362,081.28
  4. Step 4: Simplify right side
    57,465,883.20x = 2,487,157,040,109,506
  5. Step 5: Solve for x
    x = 2,487,157,040,109,506/57,465,883.20
  6. Step 6: Final answer
    x = 43,280,584.96

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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.