Home / 57,059,109.90-78,741,571.66-32,613,348.78

Finding the Fourth Proportional to 57,059,109.90, 78,741,571.66 and 32,613,348.78

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Solution

The fourth proportional to 57,059,109.90, 78,741,571.66 and 32,613,348.78 is: 45,006,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059,109.90 : 78,741,571.66 = 32,613,348.78 : x
  2. Step 2: Convert to fraction form
    57,059,109.90/78,741,571.66 = 32,613,348.78/x
  3. Step 3: Cross multiply
    57,059,109.90x = 78,741,571.66 × 32,613,348.78
  4. Step 4: Simplify right side
    57,059,109.90x = 2,568,026,340,032,943.50
  5. Step 5: Solve for x
    x = 2,568,026,340,032,943.50/57,059,109.90
  6. Step 6: Final answer
    x = 45,006,421.32

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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.