Home / 172,891,043.62-259,354,728-56,315,484.18

Finding the Fourth Proportional to 172,891,043.62, 259,354,728 and 56,315,484.18

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Solution

The fourth proportional to 172,891,043.62, 259,354,728 and 56,315,484.18 is: 84,479,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,891,043.62 : 259,354,728 = 56,315,484.18 : x
  2. Step 2: Convert to fraction form
    172,891,043.62/259,354,728 = 56,315,484.18/x
  3. Step 3: Cross multiply
    172,891,043.62x = 259,354,728 × 56,315,484.18
  4. Step 4: Simplify right side
    172,891,043.62x = 14,605,687,081,692,202
  5. Step 5: Solve for x
    x = 14,605,687,081,692,202/172,891,043.62
  6. Step 6: Final answer
    x = 84,479,142.33

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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.