Home / 148,178,406.66-222,148,921.50-70,416,286.49

Finding the Fourth Proportional to 148,178,406.66, 222,148,921.50 and 70,416,286.49

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Solution

The fourth proportional to 148,178,406.66, 222,148,921.50 and 70,416,286.49 is: 105,568,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,178,406.66 : 222,148,921.50 = 70,416,286.49 : x
  2. Step 2: Convert to fraction form
    148,178,406.66/222,148,921.50 = 70,416,286.49/x
  3. Step 3: Cross multiply
    148,178,406.66x = 222,148,921.50 × 70,416,286.49
  4. Step 4: Simplify right side
    148,178,406.66x = 15,642,902,098,677,776
  5. Step 5: Solve for x
    x = 15,642,902,098,677,776/148,178,406.66
  6. Step 6: Final answer
    x = 105,568,027.43

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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.