Home / 103,141,190.89-154,694,968.50-30,340,945.90

Finding the Fourth Proportional to 103,141,190.89, 154,694,968.50 and 30,340,945.90

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Solution

The fourth proportional to 103,141,190.89, 154,694,968.50 and 30,340,945.90 is: 45,506,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,141,190.89 : 154,694,968.50 = 30,340,945.90 : x
  2. Step 2: Convert to fraction form
    103,141,190.89/154,694,968.50 = 30,340,945.90/x
  3. Step 3: Cross multiply
    103,141,190.89x = 154,694,968.50 × 30,340,945.90
  4. Step 4: Simplify right side
    103,141,190.89x = 4,693,591,670,260,704
  5. Step 5: Solve for x
    x = 4,693,591,670,260,704/103,141,190.89
  6. Step 6: Final answer
    x = 45,506,471.56

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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.