Home / 169,489,821.90-254,267,910.45-72,445,341.90

Finding the Fourth Proportional to 169,489,821.90, 254,267,910.45 and 72,445,341.90

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Solution

The fourth proportional to 169,489,821.90, 254,267,910.45 and 72,445,341.90 is: 108,682,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489,821.90 : 254,267,910.45 = 72,445,341.90 : x
  2. Step 2: Convert to fraction form
    169,489,821.90/254,267,910.45 = 72,445,341.90/x
  3. Step 3: Cross multiply
    169,489,821.90x = 254,267,910.45 × 72,445,341.90
  4. Step 4: Simplify right side
    169,489,821.90x = 18,420,525,706,748,832
  5. Step 5: Solve for x
    x = 18,420,525,706,748,832/169,489,821.90
  6. Step 6: Final answer
    x = 108,682,194.01

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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.