Home / 221,420,165.70-332,130,248.55-106,376,967.30

Finding the Fourth Proportional to 221,420,165.70, 332,130,248.55 and 106,376,967.30

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Solution

The fourth proportional to 221,420,165.70, 332,130,248.55 and 106,376,967.30 is: 159,565,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,420,165.70 : 332,130,248.55 = 106,376,967.30 : x
  2. Step 2: Convert to fraction form
    221,420,165.70/332,130,248.55 = 106,376,967.30/x
  3. Step 3: Cross multiply
    221,420,165.70x = 332,130,248.55 × 106,376,967.30
  4. Step 4: Simplify right side
    221,420,165.70x = 35,331,008,589,344,224
  5. Step 5: Solve for x
    x = 35,331,008,589,344,224/221,420,165.70
  6. Step 6: Final answer
    x = 159,565,450.95

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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.