Home / 103,610,720.30-155,374,090.05-35,418,310.70

Finding the Fourth Proportional to 103,610,720.30, 155,374,090.05 and 35,418,310.70

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Solution

The fourth proportional to 103,610,720.30, 155,374,090.05 and 35,418,310.70 is: 53,113,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,720.30 : 155,374,090.05 = 35,418,310.70 : x
  2. Step 2: Convert to fraction form
    103,610,720.30/155,374,090.05 = 35,418,310.70/x
  3. Step 3: Cross multiply
    103,610,720.30x = 155,374,090.05 × 35,418,310.70
  4. Step 4: Simplify right side
    103,610,720.30x = 5,503,087,796,120,679
  5. Step 5: Solve for x
    x = 5,503,087,796,120,679/103,610,720.30
  6. Step 6: Final answer
    x = 53,113,112.04

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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.