Home / 218,304,856.70-327,457,285.05-109,146,875.30

Finding the Fourth Proportional to 218,304,856.70, 327,457,285.05 and 109,146,875.30

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Solution

The fourth proportional to 218,304,856.70, 327,457,285.05 and 109,146,875.30 is: 163,720,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,304,856.70 : 327,457,285.05 = 109,146,875.30 : x
  2. Step 2: Convert to fraction form
    218,304,856.70/327,457,285.05 = 109,146,875.30/x
  3. Step 3: Cross multiply
    218,304,856.70x = 327,457,285.05 × 109,146,875.30
  4. Step 4: Simplify right side
    218,304,856.70x = 35,740,939,457,428,904
  5. Step 5: Solve for x
    x = 35,740,939,457,428,904/218,304,856.70
  6. Step 6: Final answer
    x = 163,720,312.95

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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.