Home / 165,078,440.80-247,617,661.20-68,001,884.80

Finding the Fourth Proportional to 165,078,440.80, 247,617,661.20 and 68,001,884.80

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Solution

The fourth proportional to 165,078,440.80, 247,617,661.20 and 68,001,884.80 is: 102,002,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,078,440.80 : 247,617,661.20 = 68,001,884.80 : x
  2. Step 2: Convert to fraction form
    165,078,440.80/247,617,661.20 = 68,001,884.80/x
  3. Step 3: Cross multiply
    165,078,440.80x = 247,617,661.20 × 68,001,884.80
  4. Step 4: Simplify right side
    165,078,440.80x = 16,838,467,671,367,828
  5. Step 5: Solve for x
    x = 16,838,467,671,367,828/165,078,440.80
  6. Step 6: Final answer
    x = 102,002,827.20

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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.