Home / 220,772,761.20-331,159,141.80-134,466,742.80

Finding the Fourth Proportional to 220,772,761.20, 331,159,141.80 and 134,466,742.80

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Solution

The fourth proportional to 220,772,761.20, 331,159,141.80 and 134,466,742.80 is: 201,700,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,772,761.20 : 331,159,141.80 = 134,466,742.80 : x
  2. Step 2: Convert to fraction form
    220,772,761.20/331,159,141.80 = 134,466,742.80/x
  3. Step 3: Cross multiply
    220,772,761.20x = 331,159,141.80 × 134,466,742.80
  4. Step 4: Simplify right side
    220,772,761.20x = 44,529,891,146,289,336
  5. Step 5: Solve for x
    x = 44,529,891,146,289,336/220,772,761.20
  6. Step 6: Final answer
    x = 201,700,114.20

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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.