Home / 128,304,402.10-192,456,603.15-125,753,485.30

Finding the Fourth Proportional to 128,304,402.10, 192,456,603.15 and 125,753,485.30

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Solution

The fourth proportional to 128,304,402.10, 192,456,603.15 and 125,753,485.30 is: 188,630,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,402.10 : 192,456,603.15 = 125,753,485.30 : x
  2. Step 2: Convert to fraction form
    128,304,402.10/192,456,603.15 = 125,753,485.30/x
  3. Step 3: Cross multiply
    128,304,402.10x = 192,456,603.15 × 125,753,485.30
  4. Step 4: Simplify right side
    128,304,402.10x = 24,202,088,615,111,460
  5. Step 5: Solve for x
    x = 24,202,088,615,111,460/128,304,402.10
  6. Step 6: Final answer
    x = 188,630,227.95

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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.