Home / 128,304,799.10-192,457,198.65-127,171,058.30

Finding the Fourth Proportional to 128,304,799.10, 192,457,198.65 and 127,171,058.30

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Solution

The fourth proportional to 128,304,799.10, 192,457,198.65 and 127,171,058.30 is: 190,756,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,799.10 : 192,457,198.65 = 127,171,058.30 : x
  2. Step 2: Convert to fraction form
    128,304,799.10/192,457,198.65 = 127,171,058.30/x
  3. Step 3: Cross multiply
    128,304,799.10x = 192,457,198.65 × 127,171,058.30
  4. Step 4: Simplify right side
    128,304,799.10x = 24,474,985,629,773,832
  5. Step 5: Solve for x
    x = 24,474,985,629,773,832/128,304,799.10
  6. Step 6: Final answer
    x = 190,756,587.45

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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.