Home / 162,122,155.50-243,146,765.07-74,599,718.46

Finding the Fourth Proportional to 162,122,155.50, 243,146,765.07 and 74,599,718.46

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Solution

The fourth proportional to 162,122,155.50, 243,146,765.07 and 74,599,718.46 is: 111,882,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,122,155.50 : 243,146,765.07 = 74,599,718.46 : x
  2. Step 2: Convert to fraction form
    162,122,155.50/243,146,765.07 = 74,599,718.46/x
  3. Step 3: Cross multiply
    162,122,155.50x = 243,146,765.07 × 74,599,718.46
  4. Step 4: Simplify right side
    162,122,155.50x = 18,138,680,218,681,760
  5. Step 5: Solve for x
    x = 18,138,680,218,681,760/162,122,155.50
  6. Step 6: Final answer
    x = 111,882,797.03

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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.