Home / 311,309,286.78-466,964,816.66-89,998,642.91

Finding the Fourth Proportional to 311,309,286.78, 466,964,816.66 and 89,998,642.91

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Solution

The fourth proportional to 311,309,286.78, 466,964,816.66 and 89,998,642.91 is: 134,998,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,309,286.78 : 466,964,816.66 = 89,998,642.91 : x
  2. Step 2: Convert to fraction form
    311,309,286.78/466,964,816.66 = 89,998,642.91/x
  3. Step 3: Cross multiply
    311,309,286.78x = 466,964,816.66 × 89,998,642.91
  4. Step 4: Simplify right side
    311,309,286.78x = 42,026,199,785,666,960
  5. Step 5: Solve for x
    x = 42,026,199,785,666,960/311,309,286.78
  6. Step 6: Final answer
    x = 134,998,220.65

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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.