Home / 144,002,575.26-198,724,080.78-77,923,074.20

Finding the Fourth Proportional to 144,002,575.26, 198,724,080.78 and 77,923,074.20

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Solution

The fourth proportional to 144,002,575.26, 198,724,080.78 and 77,923,074.20 is: 107,534,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,575.26 : 198,724,080.78 = 77,923,074.20 : x
  2. Step 2: Convert to fraction form
    144,002,575.26/198,724,080.78 = 77,923,074.20/x
  3. Step 3: Cross multiply
    144,002,575.26x = 198,724,080.78 × 77,923,074.20
  4. Step 4: Simplify right side
    144,002,575.26x = 15,485,191,290,953,112
  5. Step 5: Solve for x
    x = 15,485,191,290,953,112/144,002,575.26
  6. Step 6: Final answer
    x = 107,534,127.52

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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.