Home / 204,510,126.15-282,230,938.54-120,949,886.25

Finding the Fourth Proportional to 204,510,126.15, 282,230,938.54 and 120,949,886.25

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Solution

The fourth proportional to 204,510,126.15, 282,230,938.54 and 120,949,886.25 is: 166,914,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,510,126.15 : 282,230,938.54 = 120,949,886.25 : x
  2. Step 2: Convert to fraction form
    204,510,126.15/282,230,938.54 = 120,949,886.25/x
  3. Step 3: Cross multiply
    204,510,126.15x = 282,230,938.54 × 120,949,886.25
  4. Step 4: Simplify right side
    204,510,126.15x = 34,135,799,912,643,744
  5. Step 5: Solve for x
    x = 34,135,799,912,643,744/204,510,126.15
  6. Step 6: Final answer
    x = 166,914,961.89

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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.