Home / 87,400,947.96-120,613,315.41-48,242,734.86

Finding the Fourth Proportional to 87,400,947.96, 120,613,315.41 and 48,242,734.86

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Solution

The fourth proportional to 87,400,947.96, 120,613,315.41 and 48,242,734.86 is: 66,574,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,400,947.96 : 120,613,315.41 = 48,242,734.86 : x
  2. Step 2: Convert to fraction form
    87,400,947.96/120,613,315.41 = 48,242,734.86/x
  3. Step 3: Cross multiply
    87,400,947.96x = 120,613,315.41 × 48,242,734.86
  4. Step 4: Simplify right side
    87,400,947.96x = 5,818,716,195,910,182
  5. Step 5: Solve for x
    x = 5,818,716,195,910,182/87,400,947.96
  6. Step 6: Final answer
    x = 66,574,978.09

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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.