Home / 218,636,718.40-327,955,077.60-89,201,310.40

Finding the Fourth Proportional to 218,636,718.40, 327,955,077.60 and 89,201,310.40

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Solution

The fourth proportional to 218,636,718.40, 327,955,077.60 and 89,201,310.40 is: 133,801,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,636,718.40 : 327,955,077.60 = 89,201,310.40 : x
  2. Step 2: Convert to fraction form
    218,636,718.40/327,955,077.60 = 89,201,310.40/x
  3. Step 3: Cross multiply
    218,636,718.40x = 327,955,077.60 × 89,201,310.40
  4. Step 4: Simplify right side
    218,636,718.40x = 29,254,022,674,253,692
  5. Step 5: Solve for x
    x = 29,254,022,674,253,692/218,636,718.40
  6. Step 6: Final answer
    x = 133,801,965.60

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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.