Home / 191,385,372.38-264,113,142.48-108,879,157.13

Finding the Fourth Proportional to 191,385,372.38, 264,113,142.48 and 108,879,157.13

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Solution

The fourth proportional to 191,385,372.38, 264,113,142.48 and 108,879,157.13 is: 150,253,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,385,372.38 : 264,113,142.48 = 108,879,157.13 : x
  2. Step 2: Convert to fraction form
    191,385,372.38/264,113,142.48 = 108,879,157.13/x
  3. Step 3: Cross multiply
    191,385,372.38x = 264,113,142.48 × 108,879,157.13
  4. Step 4: Simplify right side
    191,385,372.38x = 28,756,416,338,857,432
  5. Step 5: Solve for x
    x = 28,756,416,338,857,432/191,385,372.38
  6. Step 6: Final answer
    x = 150,253,992.67

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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.