Home / 318,248,715.42-477,373,205.70-143,167,248.36

Finding the Fourth Proportional to 318,248,715.42, 477,373,205.70 and 143,167,248.36

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Solution

The fourth proportional to 318,248,715.42, 477,373,205.70 and 143,167,248.36 is: 214,750,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,248,715.42 : 477,373,205.70 = 143,167,248.36 : x
  2. Step 2: Convert to fraction form
    318,248,715.42/477,373,205.70 = 143,167,248.36/x
  3. Step 3: Cross multiply
    318,248,715.42x = 477,373,205.70 × 143,167,248.36
  4. Step 4: Simplify right side
    318,248,715.42x = 68,344,208,300,861,272
  5. Step 5: Solve for x
    x = 68,344,208,300,861,272/318,248,715.42
  6. Step 6: Final answer
    x = 214,750,932.18

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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.