Home / 57,192,112.23-78,925,643.25-31,086,691.47

Finding the Fourth Proportional to 57,192,112.23, 78,925,643.25 and 31,086,691.47

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Solution

The fourth proportional to 57,192,112.23, 78,925,643.25 and 31,086,691.47 is: 42,899,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192,112.23 : 78,925,643.25 = 31,086,691.47 : x
  2. Step 2: Convert to fraction form
    57,192,112.23/78,925,643.25 = 31,086,691.47/x
  3. Step 3: Cross multiply
    57,192,112.23x = 78,925,643.25 × 31,086,691.47
  4. Step 4: Simplify right side
    57,192,112.23x = 2,453,537,120,784,038
  5. Step 5: Solve for x
    x = 2,453,537,120,784,038/57,192,112.23
  6. Step 6: Final answer
    x = 42,899,921.42

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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.