Home / 103,610,781.30-155,374,181.55-35,418,371.70

Finding the Fourth Proportional to 103,610,781.30, 155,374,181.55 and 35,418,371.70

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Solution

The fourth proportional to 103,610,781.30, 155,374,181.55 and 35,418,371.70 is: 53,113,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,781.30 : 155,374,181.55 = 35,418,371.70 : x
  2. Step 2: Convert to fraction form
    103,610,781.30/155,374,181.55 = 35,418,371.70/x
  3. Step 3: Cross multiply
    103,610,781.30x = 155,374,181.55 × 35,418,371.70
  4. Step 4: Simplify right side
    103,610,781.30x = 5,503,100,514,721,183
  5. Step 5: Solve for x
    x = 5,503,100,514,721,183/103,610,781.30
  6. Step 6: Final answer
    x = 53,113,203.53

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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.