Home / 57,228,186.96-78,974,147.96-31,122,148.39

Finding the Fourth Proportional to 57,228,186.96, 78,974,147.96 and 31,122,148.39

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Solution

The fourth proportional to 57,228,186.96, 78,974,147.96 and 31,122,148.39 is: 42,948,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228,186.96 : 78,974,147.96 = 31,122,148.39 : x
  2. Step 2: Convert to fraction form
    57,228,186.96/78,974,147.96 = 31,122,148.39/x
  3. Step 3: Cross multiply
    57,228,186.96x = 78,974,147.96 × 31,122,148.39
  4. Step 4: Simplify right side
    57,228,186.96x = 2,457,845,151,665,306
  5. Step 5: Solve for x
    x = 2,457,845,151,665,306/57,228,186.96
  6. Step 6: Final answer
    x = 42,948,156.88

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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.