Home / 275,289,418.20-412,934,127.30-152,845,411.80

Finding the Fourth Proportional to 275,289,418.20, 412,934,127.30 and 152,845,411.80

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Solution

The fourth proportional to 275,289,418.20, 412,934,127.30 and 152,845,411.80 is: 229,268,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,289,418.20 : 412,934,127.30 = 152,845,411.80 : x
  2. Step 2: Convert to fraction form
    275,289,418.20/412,934,127.30 = 152,845,411.80/x
  3. Step 3: Cross multiply
    275,289,418.20x = 412,934,127.30 × 152,845,411.80
  4. Step 4: Simplify right side
    275,289,418.20x = 63,115,086,733,442,128
  5. Step 5: Solve for x
    x = 63,115,086,733,442,128/275,289,418.20
  6. Step 6: Final answer
    x = 229,268,117.70

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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.