Home / 154,591,017.21-213,336,046.25-88,512,529.01

Finding the Fourth Proportional to 154,591,017.21, 213,336,046.25 and 88,512,529.01

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Solution

The fourth proportional to 154,591,017.21, 213,336,046.25 and 88,512,529.01 is: 122,147,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,591,017.21 : 213,336,046.25 = 88,512,529.01 : x
  2. Step 2: Convert to fraction form
    154,591,017.21/213,336,046.25 = 88,512,529.01/x
  3. Step 3: Cross multiply
    154,591,017.21x = 213,336,046.25 × 88,512,529.01
  4. Step 4: Simplify right side
    154,591,017.21x = 18,882,912,981,072,584
  5. Step 5: Solve for x
    x = 18,882,912,981,072,584/154,591,017.21
  6. Step 6: Final answer
    x = 122,147,543.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.