Home / 115,041,704.20-172,562,556.30-102,500,571.40

Finding the Fourth Proportional to 115,041,704.20, 172,562,556.30 and 102,500,571.40

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Solution

The fourth proportional to 115,041,704.20, 172,562,556.30 and 102,500,571.40 is: 153,750,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,041,704.20 : 172,562,556.30 = 102,500,571.40 : x
  2. Step 2: Convert to fraction form
    115,041,704.20/172,562,556.30 = 102,500,571.40/x
  3. Step 3: Cross multiply
    115,041,704.20x = 172,562,556.30 × 102,500,571.40
  4. Step 4: Simplify right side
    115,041,704.20x = 17,687,760,622,994,672
  5. Step 5: Solve for x
    x = 17,687,760,622,994,672/115,041,704.20
  6. Step 6: Final answer
    x = 153,750,857.10

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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.