Home / 318,425,478.96-477,620,252.52-141,111,552.72

Finding the Fourth Proportional to 318,425,478.96, 477,620,252.52 and 141,111,552.72

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Solution

The fourth proportional to 318,425,478.96, 477,620,252.52 and 141,111,552.72 is: 211,659,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,425,478.96 : 477,620,252.52 = 141,111,552.72 : x
  2. Step 2: Convert to fraction form
    318,425,478.96/477,620,252.52 = 141,111,552.72/x
  3. Step 3: Cross multiply
    318,425,478.96x = 477,620,252.52 × 141,111,552.72
  4. Step 4: Simplify right side
    318,425,478.96x = 67,397,735,443,615,688
  5. Step 5: Solve for x
    x = 67,397,735,443,615,688/318,425,478.96
  6. Step 6: Final answer
    x = 211,659,367.41

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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.