Home / 247,940,038.80-371,910,058.20-111,891,142.80

Finding the Fourth Proportional to 247,940,038.80, 371,910,058.20 and 111,891,142.80

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Solution

The fourth proportional to 247,940,038.80, 371,910,058.20 and 111,891,142.80 is: 167,836,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,940,038.80 : 371,910,058.20 = 111,891,142.80 : x
  2. Step 2: Convert to fraction form
    247,940,038.80/371,910,058.20 = 111,891,142.80/x
  3. Step 3: Cross multiply
    247,940,038.80x = 371,910,058.20 × 111,891,142.80
  4. Step 4: Simplify right side
    247,940,038.80x = 41,613,441,430,812,512
  5. Step 5: Solve for x
    x = 41,613,441,430,812,512/247,940,038.80
  6. Step 6: Final answer
    x = 167,836,714.20

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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.