Home / 148,682,231.12-222,946,767.45-66,730,855.10

Finding the Fourth Proportional to 148,682,231.12, 222,946,767.45 and 66,730,855.10

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Solution

The fourth proportional to 148,682,231.12, 222,946,767.45 and 66,730,855.10 is: 100,061,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,682,231.12 : 222,946,767.45 = 66,730,855.10 : x
  2. Step 2: Convert to fraction form
    148,682,231.12/222,946,767.45 = 66,730,855.10/x
  3. Step 3: Cross multiply
    148,682,231.12x = 222,946,767.45 × 66,730,855.10
  4. Step 4: Simplify right side
    148,682,231.12x = 14,877,428,433,719,346
  5. Step 5: Solve for x
    x = 14,877,428,433,719,346/148,682,231.12
  6. Step 6: Final answer
    x = 100,061,912.72

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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.