Home / 221,433,977.70-332,150,966.55-68,060,105.10

Finding the Fourth Proportional to 221,433,977.70, 332,150,966.55 and 68,060,105.10

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Solution

The fourth proportional to 221,433,977.70, 332,150,966.55 and 68,060,105.10 is: 102,090,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,977.70 : 332,150,966.55 = 68,060,105.10 : x
  2. Step 2: Convert to fraction form
    221,433,977.70/332,150,966.55 = 68,060,105.10/x
  3. Step 3: Cross multiply
    221,433,977.70x = 332,150,966.55 × 68,060,105.10
  4. Step 4: Simplify right side
    221,433,977.70x = 22,606,229,692,459,584
  5. Step 5: Solve for x
    x = 22,606,229,692,459,584/221,433,977.70
  6. Step 6: Final answer
    x = 102,090,157.65

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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.