Home / 172,715,928.48-259,145,501.04-75,621,520.80

Finding the Fourth Proportional to 172,715,928.48, 259,145,501.04 and 75,621,520.80

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Solution

The fourth proportional to 172,715,928.48, 259,145,501.04 and 75,621,520.80 is: 113,463,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,715,928.48 : 259,145,501.04 = 75,621,520.80 : x
  2. Step 2: Convert to fraction form
    172,715,928.48/259,145,501.04 = 75,621,520.80/x
  3. Step 3: Cross multiply
    172,715,928.48x = 259,145,501.04 × 75,621,520.80
  4. Step 4: Simplify right side
    172,715,928.48x = 19,596,976,897,122,780
  5. Step 5: Solve for x
    x = 19,596,976,897,122,780/172,715,928.48
  6. Step 6: Final answer
    x = 113,463,634.01

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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.