Home / 57,431,012.62-79,255,045.56-31,326,091.24

Finding the Fourth Proportional to 57,431,012.62, 79,255,045.56 and 31,326,091.24

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Solution

The fourth proportional to 57,431,012.62, 79,255,045.56 and 31,326,091.24 is: 43,230,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431,012.62 : 79,255,045.56 = 31,326,091.24 : x
  2. Step 2: Convert to fraction form
    57,431,012.62/79,255,045.56 = 31,326,091.24/x
  3. Step 3: Cross multiply
    57,431,012.62x = 79,255,045.56 × 31,326,091.24
  4. Step 4: Simplify right side
    57,431,012.62x = 2,482,750,788,362,252
  5. Step 5: Solve for x
    x = 2,482,750,788,362,252/57,431,012.62
  6. Step 6: Final answer
    x = 43,230,141.26

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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.