Home / 57,542,749.43-86,327,737.14-18,681,126.30

Finding the Fourth Proportional to 57,542,749.43, 86,327,737.14 and 18,681,126.30

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Solution

The fourth proportional to 57,542,749.43, 86,327,737.14 and 18,681,126.30 is: 28,026,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,542,749.43 : 86,327,737.14 = 18,681,126.30 : x
  2. Step 2: Convert to fraction form
    57,542,749.43/86,327,737.14 = 18,681,126.30/x
  3. Step 3: Cross multiply
    57,542,749.43x = 86,327,737.14 × 18,681,126.30
  4. Step 4: Simplify right side
    57,542,749.43x = 1,612,699,360,874,657.25
  5. Step 5: Solve for x
    x = 1,612,699,360,874,657.25/57,542,749.43
  6. Step 6: Final answer
    x = 28,026,108.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.