Home / 71,023,053.78-98,001,305.73-43,131,258.90

Finding the Fourth Proportional to 71,023,053.78, 98,001,305.73 and 43,131,258.90

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Solution

The fourth proportional to 71,023,053.78, 98,001,305.73 and 43,131,258.90 is: 59,514,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,023,053.78 : 98,001,305.73 = 43,131,258.90 : x
  2. Step 2: Convert to fraction form
    71,023,053.78/98,001,305.73 = 43,131,258.90/x
  3. Step 3: Cross multiply
    71,023,053.78x = 98,001,305.73 × 43,131,258.90
  4. Step 4: Simplify right side
    71,023,053.78x = 4,226,919,689,978,683.50
  5. Step 5: Solve for x
    x = 4,226,919,689,978,683.50/71,023,053.78
  6. Step 6: Final answer
    x = 59,514,755.63

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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.