Home / 132,605,152.20-198,907,728.30-100,320,111.45

Finding the Fourth Proportional to 132,605,152.20, 198,907,728.30 and 100,320,111.45

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Solution

The fourth proportional to 132,605,152.20, 198,907,728.30 and 100,320,111.45 is: 150,480,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,605,152.20 : 198,907,728.30 = 100,320,111.45 : x
  2. Step 2: Convert to fraction form
    132,605,152.20/198,907,728.30 = 100,320,111.45/x
  3. Step 3: Cross multiply
    132,605,152.20x = 198,907,728.30 × 100,320,111.45
  4. Step 4: Simplify right side
    132,605,152.20x = 19,954,445,471,322,320
  5. Step 5: Solve for x
    x = 19,954,445,471,322,320/132,605,152.20
  6. Step 6: Final answer
    x = 150,480,167.18

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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.