Home / 207,428,793.74-311,364,694.82-89,312,066.54

Finding the Fourth Proportional to 207,428,793.74, 311,364,694.82 and 89,312,066.54

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Solution

The fourth proportional to 207,428,793.74, 311,364,694.82 and 89,312,066.54 is: 134,063,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,428,793.74 : 311,364,694.82 = 89,312,066.54 : x
  2. Step 2: Convert to fraction form
    207,428,793.74/311,364,694.82 = 89,312,066.54/x
  3. Step 3: Cross multiply
    207,428,793.74x = 311,364,694.82 × 89,312,066.54
  4. Step 4: Simplify right side
    207,428,793.74x = 27,808,624,339,967,248
  5. Step 5: Solve for x
    x = 27,808,624,339,967,248/207,428,793.74
  6. Step 6: Final answer
    x = 134,063,472.28

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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.