Home / 149,512,900.20-224,311,340.70-72,838,429.80

Finding the Fourth Proportional to 149,512,900.20, 224,311,340.70 and 72,838,429.80

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Solution

The fourth proportional to 149,512,900.20, 224,311,340.70 and 72,838,429.80 is: 109,278,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,512,900.20 : 224,311,340.70 = 72,838,429.80 : x
  2. Step 2: Convert to fraction form
    149,512,900.20/224,311,340.70 = 72,838,429.80/x
  3. Step 3: Cross multiply
    149,512,900.20x = 224,311,340.70 × 72,838,429.80
  4. Step 4: Simplify right side
    149,512,900.20x = 16,338,485,842,920,832
  5. Step 5: Solve for x
    x = 16,338,485,842,920,832/149,512,900.20
  6. Step 6: Final answer
    x = 109,278,101.23

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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.