Home / 202,133,770.89-278,945,444.25-109,314,278.70

Finding the Fourth Proportional to 202,133,770.89, 278,945,444.25 and 109,314,278.70

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Solution

The fourth proportional to 202,133,770.89, 278,945,444.25 and 109,314,278.70 is: 150,854,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,770.89 : 278,945,444.25 = 109,314,278.70 : x
  2. Step 2: Convert to fraction form
    202,133,770.89/278,945,444.25 = 109,314,278.70/x
  3. Step 3: Cross multiply
    202,133,770.89x = 278,945,444.25 × 109,314,278.70
  4. Step 4: Simplify right side
    202,133,770.89x = 30,492,720,034,839,812
  5. Step 5: Solve for x
    x = 30,492,720,034,839,812/202,133,770.89
  6. Step 6: Final answer
    x = 150,854,159.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.