Home / 136,948,288.97-204,937,521.80-85,157,280.41

Finding the Fourth Proportional to 136,948,288.97, 204,937,521.80 and 85,157,280.41

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Solution

The fourth proportional to 136,948,288.97, 204,937,521.80 and 85,157,280.41 is: 127,434,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,948,288.97 : 204,937,521.80 = 85,157,280.41 : x
  2. Step 2: Convert to fraction form
    136,948,288.97/204,937,521.80 = 85,157,280.41/x
  3. Step 3: Cross multiply
    136,948,288.97x = 204,937,521.80 × 85,157,280.41
  4. Step 4: Simplify right side
    136,948,288.97x = 17,451,922,009,002,614
  5. Step 5: Solve for x
    x = 17,451,922,009,002,614/136,948,288.97
  6. Step 6: Final answer
    x = 127,434,392.50

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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.