Home / 193,290,513.89-266,744,119.66-105,188,224.91

Finding the Fourth Proportional to 193,290,513.89, 266,744,119.66 and 105,188,224.91

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Solution

The fourth proportional to 193,290,513.89, 266,744,119.66 and 105,188,224.91 is: 145,161,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,290,513.89 : 266,744,119.66 = 105,188,224.91 : x
  2. Step 2: Convert to fraction form
    193,290,513.89/266,744,119.66 = 105,188,224.91/x
  3. Step 3: Cross multiply
    193,290,513.89x = 266,744,119.66 × 105,188,224.91
  4. Step 4: Simplify right side
    193,290,513.89x = 28,058,340,450,619,340
  5. Step 5: Solve for x
    x = 28,058,340,450,619,340/193,290,513.89
  6. Step 6: Final answer
    x = 145,161,497.51

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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.