Home / 57,431,013.12-79,255,046.26-31,326,091.74

Finding the Fourth Proportional to 57,431,013.12, 79,255,046.26 and 31,326,091.74

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Solution

The fourth proportional to 57,431,013.12, 79,255,046.26 and 31,326,091.74 is: 43,230,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431,013.12 : 79,255,046.26 = 31,326,091.74 : x
  2. Step 2: Convert to fraction form
    57,431,013.12/79,255,046.26 = 31,326,091.74/x
  3. Step 3: Cross multiply
    57,431,013.12x = 79,255,046.26 × 31,326,091.74
  4. Step 4: Simplify right side
    57,431,013.12x = 2,482,750,849,842,073
  5. Step 5: Solve for x
    x = 2,482,750,849,842,073/57,431,013.12
  6. Step 6: Final answer
    x = 43,230,141.96

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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.