Home / 80,883,920.80-121,325,881.20-26,296,400.80

Finding the Fourth Proportional to 80,883,920.80, 121,325,881.20 and 26,296,400.80

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Solution

The fourth proportional to 80,883,920.80, 121,325,881.20 and 26,296,400.80 is: 39,444,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,883,920.80 : 121,325,881.20 = 26,296,400.80 : x
  2. Step 2: Convert to fraction form
    80,883,920.80/121,325,881.20 = 26,296,400.80/x
  3. Step 3: Cross multiply
    80,883,920.80x = 121,325,881.20 × 26,296,400.80
  4. Step 4: Simplify right side
    80,883,920.80x = 3,190,433,999,448,385
  5. Step 5: Solve for x
    x = 3,190,433,999,448,385/80,883,920.80
  6. Step 6: Final answer
    x = 39,444,601.20

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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.