Home / 168,420,644.20-252,134,954.70-125,480,211.40

Finding the Fourth Proportional to 168,420,644.20, 252,134,954.70 and 125,480,211.40

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Solution

The fourth proportional to 168,420,644.20, 252,134,954.70 and 125,480,211.40 is: 187,850,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,420,644.20 : 252,134,954.70 = 125,480,211.40 : x
  2. Step 2: Convert to fraction form
    168,420,644.20/252,134,954.70 = 125,480,211.40/x
  3. Step 3: Cross multiply
    168,420,644.20x = 252,134,954.70 × 125,480,211.40
  4. Step 4: Simplify right side
    168,420,644.20x = 31,637,947,417,085,424
  5. Step 5: Solve for x
    x = 31,637,947,417,085,424/168,420,644.20
  6. Step 6: Final answer
    x = 187,850,768.34

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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.