Home / 275,265,455.22-379,866,306.78-149,818,550.22

Finding the Fourth Proportional to 275,265,455.22, 379,866,306.78 and 149,818,550.22

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Solution

The fourth proportional to 275,265,455.22, 379,866,306.78 and 149,818,550.22 is: 206,749,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,265,455.22 : 379,866,306.78 = 149,818,550.22 : x
  2. Step 2: Convert to fraction form
    275,265,455.22/379,866,306.78 = 149,818,550.22/x
  3. Step 3: Cross multiply
    275,265,455.22x = 379,866,306.78 × 149,818,550.22
  4. Step 4: Simplify right side
    275,265,455.22x = 56,911,019,359,205,352
  5. Step 5: Solve for x
    x = 56,911,019,359,205,352/275,265,455.22
  6. Step 6: Final answer
    x = 206,749,587.64

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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.