Home / 249,536,042.20-374,329,076.10-85,752,227.80

Finding the Fourth Proportional to 249,536,042.20, 374,329,076.10 and 85,752,227.80

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Solution

The fourth proportional to 249,536,042.20, 374,329,076.10 and 85,752,227.80 is: 128,636,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,536,042.20 : 374,329,076.10 = 85,752,227.80 : x
  2. Step 2: Convert to fraction form
    249,536,042.20/374,329,076.10 = 85,752,227.80/x
  3. Step 3: Cross multiply
    249,536,042.20x = 374,329,076.10 × 85,752,227.80
  4. Step 4: Simplify right side
    249,536,042.20x = 32,099,552,205,890,736
  5. Step 5: Solve for x
    x = 32,099,552,205,890,736/249,536,042.20
  6. Step 6: Final answer
    x = 128,636,937.27

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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.