Home / 57,546,438.90-79,413,156.45-31,440,394.86

Finding the Fourth Proportional to 57,546,438.90, 79,413,156.45 and 31,440,394.86

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Solution

The fourth proportional to 57,546,438.90, 79,413,156.45 and 31,440,394.86 is: 43,387,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,546,438.90 : 79,413,156.45 = 31,440,394.86 : x
  2. Step 2: Convert to fraction form
    57,546,438.90/79,413,156.45 = 31,440,394.86/x
  3. Step 3: Cross multiply
    57,546,438.90x = 79,413,156.45 × 31,440,394.86
  4. Step 4: Simplify right side
    57,546,438.90x = 2,496,780,995,866,956
  5. Step 5: Solve for x
    x = 2,496,780,995,866,956/57,546,438.90
  6. Step 6: Final answer
    x = 43,387,237.22

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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.