Home / 197,889,806.97-272,974,474.01-123,421,080.65

Finding the Fourth Proportional to 197,889,806.97, 272,974,474.01 and 123,421,080.65

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Solution

The fourth proportional to 197,889,806.97, 272,974,474.01 and 123,421,080.65 is: 170,250,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,889,806.97 : 272,974,474.01 = 123,421,080.65 : x
  2. Step 2: Convert to fraction form
    197,889,806.97/272,974,474.01 = 123,421,080.65/x
  3. Step 3: Cross multiply
    197,889,806.97x = 272,974,474.01 × 123,421,080.65
  4. Step 4: Simplify right side
    197,889,806.97x = 33,690,804,570,197,560
  5. Step 5: Solve for x
    x = 33,690,804,570,197,560/197,889,806.97
  6. Step 6: Final answer
    x = 170,250,328.13

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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.