Home / 125,680,521.60-188,520,782.40-96,982,707.60

Finding the Fourth Proportional to 125,680,521.60, 188,520,782.40 and 96,982,707.60

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Solution

The fourth proportional to 125,680,521.60, 188,520,782.40 and 96,982,707.60 is: 145,474,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,680,521.60 : 188,520,782.40 = 96,982,707.60 : x
  2. Step 2: Convert to fraction form
    125,680,521.60/188,520,782.40 = 96,982,707.60/x
  3. Step 3: Cross multiply
    125,680,521.60x = 188,520,782.40 × 96,982,707.60
  4. Step 4: Simplify right side
    125,680,521.60x = 18,283,255,916,022,424
  5. Step 5: Solve for x
    x = 18,283,255,916,022,424/125,680,521.60
  6. Step 6: Final answer
    x = 145,474,061.40

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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.