Home / 148,031,661.30-222,068,487.15-45,785,037.30

Finding the Fourth Proportional to 148,031,661.30, 222,068,487.15 and 45,785,037.30

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Solution

The fourth proportional to 148,031,661.30, 222,068,487.15 and 45,785,037.30 is: 68,684,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,031,661.30 : 222,068,487.15 = 45,785,037.30 : x
  2. Step 2: Convert to fraction form
    148,031,661.30/222,068,487.15 = 45,785,037.30/x
  3. Step 3: Cross multiply
    148,031,661.30x = 222,068,487.15 × 45,785,037.30
  4. Step 4: Simplify right side
    148,031,661.30x = 10,167,413,967,317,320
  5. Step 5: Solve for x
    x = 10,167,413,967,317,320/148,031,661.30
  6. Step 6: Final answer
    x = 68,684,049.60

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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.