Home / 148,483,856.62-222,725,785.27-79,186,715.84

Finding the Fourth Proportional to 148,483,856.62, 222,725,785.27 and 79,186,715.84

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Solution

The fourth proportional to 148,483,856.62, 222,725,785.27 and 79,186,715.84 is: 118,780,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,483,856.62 : 222,725,785.27 = 79,186,715.84 : x
  2. Step 2: Convert to fraction form
    148,483,856.62/222,725,785.27 = 79,186,715.84/x
  3. Step 3: Cross multiply
    148,483,856.62x = 222,725,785.27 × 79,186,715.84
  4. Step 4: Simplify right side
    148,483,856.62x = 17,636,923,468,923,274
  5. Step 5: Solve for x
    x = 17,636,923,468,923,274/148,483,856.62
  6. Step 6: Final answer
    x = 118,780,073.95

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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.