Home / 114,803,021.75-172,205,166.84-28,541,428.61

Finding the Fourth Proportional to 114,803,021.75, 172,205,166.84 and 28,541,428.61

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Solution

The fourth proportional to 114,803,021.75, 172,205,166.84 and 28,541,428.61 is: 42,812,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,803,021.75 : 172,205,166.84 = 28,541,428.61 : x
  2. Step 2: Convert to fraction form
    114,803,021.75/172,205,166.84 = 28,541,428.61/x
  3. Step 3: Cross multiply
    114,803,021.75x = 172,205,166.84 × 28,541,428.61
  4. Step 4: Simplify right side
    114,803,021.75x = 4,914,981,474,775,974
  5. Step 5: Solve for x
    x = 4,914,981,474,775,974/114,803,021.75
  6. Step 6: Final answer
    x = 42,812,300.58

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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.