Home / 211,954,052.28-318,054,457.62-89,123,480.76

Finding the Fourth Proportional to 211,954,052.28, 318,054,457.62 and 89,123,480.76

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Solution

The fourth proportional to 211,954,052.28, 318,054,457.62 and 89,123,480.76 is: 133,737,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,954,052.28 : 318,054,457.62 = 89,123,480.76 : x
  2. Step 2: Convert to fraction form
    211,954,052.28/318,054,457.62 = 89,123,480.76/x
  3. Step 3: Cross multiply
    211,954,052.28x = 318,054,457.62 × 89,123,480.76
  4. Step 4: Simplify right side
    211,954,052.28x = 28,346,120,334,328,308
  5. Step 5: Solve for x
    x = 28,346,120,334,328,308/211,954,052.28
  6. Step 6: Final answer
    x = 133,737,100.23

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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.