Home / 193,116,502.80-289,674,754.20-172,071,439.20

Finding the Fourth Proportional to 193,116,502.80, 289,674,754.20 and 172,071,439.20

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Solution

The fourth proportional to 193,116,502.80, 289,674,754.20 and 172,071,439.20 is: 258,107,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,116,502.80 : 289,674,754.20 = 172,071,439.20 : x
  2. Step 2: Convert to fraction form
    193,116,502.80/289,674,754.20 = 172,071,439.20/x
  3. Step 3: Cross multiply
    193,116,502.80x = 289,674,754.20 × 172,071,439.20
  4. Step 4: Simplify right side
    193,116,502.80x = 49,844,751,855,100,240
  5. Step 5: Solve for x
    x = 49,844,751,855,100,240/193,116,502.80
  6. Step 6: Final answer
    x = 258,107,158.80

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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.