Home / 196,288,770.42-270,877,684.64-108,182,557.83

Finding the Fourth Proportional to 196,288,770.42, 270,877,684.64 and 108,182,557.83

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Solution

The fourth proportional to 196,288,770.42, 270,877,684.64 and 108,182,557.83 is: 149,291,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,288,770.42 : 270,877,684.64 = 108,182,557.83 : x
  2. Step 2: Convert to fraction form
    196,288,770.42/270,877,684.64 = 108,182,557.83/x
  3. Step 3: Cross multiply
    196,288,770.42x = 270,877,684.64 × 108,182,557.83
  4. Step 4: Simplify right side
    196,288,770.42x = 29,304,240,783,059,264
  5. Step 5: Solve for x
    x = 29,304,240,783,059,264/196,288,770.42
  6. Step 6: Final answer
    x = 149,291,478.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.