Home / 144,055,338.14-198,821,487.40-85,351,054.70

Finding the Fourth Proportional to 144,055,338.14, 198,821,487.40 and 85,351,054.70

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Solution

The fourth proportional to 144,055,338.14, 198,821,487.40 and 85,351,054.70 is: 117,799,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,055,338.14 : 198,821,487.40 = 85,351,054.70 : x
  2. Step 2: Convert to fraction form
    144,055,338.14/198,821,487.40 = 85,351,054.70/x
  3. Step 3: Cross multiply
    144,055,338.14x = 198,821,487.40 × 85,351,054.70
  4. Step 4: Simplify right side
    144,055,338.14x = 16,969,623,646,612,762
  5. Step 5: Solve for x
    x = 16,969,623,646,612,762/144,055,338.14
  6. Step 6: Final answer
    x = 117,799,339.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.