Home / 318,425,333.76-477,620,035.11-141,111,407.34

Finding the Fourth Proportional to 318,425,333.76, 477,620,035.11 and 141,111,407.34

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Solution

The fourth proportional to 318,425,333.76, 477,620,035.11 and 141,111,407.34 is: 211,659,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,425,333.76 : 477,620,035.11 = 141,111,407.34 : x
  2. Step 2: Convert to fraction form
    318,425,333.76/477,620,035.11 = 141,111,407.34/x
  3. Step 3: Cross multiply
    318,425,333.76x = 477,620,035.11 × 141,111,407.34
  4. Step 4: Simplify right side
    318,425,333.76x = 67,397,635,328,152,312
  5. Step 5: Solve for x
    x = 67,397,635,328,152,312/318,425,333.76
  6. Step 6: Final answer
    x = 211,659,149.52

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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.