Home / 103,141,154.88-154,694,914.32-30,340,906.56

Finding the Fourth Proportional to 103,141,154.88, 154,694,914.32 and 30,340,906.56

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Solution

The fourth proportional to 103,141,154.88, 154,694,914.32 and 30,340,906.56 is: 45,506,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,141,154.88 : 154,694,914.32 = 30,340,906.56 : x
  2. Step 2: Convert to fraction form
    103,141,154.88/154,694,914.32 = 30,340,906.56/x
  3. Step 3: Cross multiply
    103,141,154.88x = 154,694,914.32 × 30,340,906.56
  4. Step 4: Simplify right side
    103,141,154.88x = 4,693,583,940,690,326
  5. Step 5: Solve for x
    x = 4,693,583,940,690,326/103,141,154.88
  6. Step 6: Final answer
    x = 45,506,412.51

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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.