Home / 103,610,755.80-155,374,143.30-35,418,346.20

Finding the Fourth Proportional to 103,610,755.80, 155,374,143.30 and 35,418,346.20

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Solution

The fourth proportional to 103,610,755.80, 155,374,143.30 and 35,418,346.20 is: 53,113,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,755.80 : 155,374,143.30 = 35,418,346.20 : x
  2. Step 2: Convert to fraction form
    103,610,755.80/155,374,143.30 = 35,418,346.20/x
  3. Step 3: Cross multiply
    103,610,755.80x = 155,374,143.30 × 35,418,346.20
  4. Step 4: Simplify right side
    103,610,755.80x = 5,503,095,197,927,811
  5. Step 5: Solve for x
    x = 5,503,095,197,927,811/103,610,755.80
  6. Step 6: Final answer
    x = 53,113,165.28

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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.