Home / 193,532,643.70-290,298,965.55-178,752,022.90

Finding the Fourth Proportional to 193,532,643.70, 290,298,965.55 and 178,752,022.90

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Solution

The fourth proportional to 193,532,643.70, 290,298,965.55 and 178,752,022.90 is: 268,128,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,532,643.70 : 290,298,965.55 = 178,752,022.90 : x
  2. Step 2: Convert to fraction form
    193,532,643.70/290,298,965.55 = 178,752,022.90/x
  3. Step 3: Cross multiply
    193,532,643.70x = 290,298,965.55 × 178,752,022.90
  4. Step 4: Simplify right side
    193,532,643.70x = 51,891,527,337,839,912
  5. Step 5: Solve for x
    x = 51,891,527,337,839,912/193,532,643.70
  6. Step 6: Final answer
    x = 268,128,034.35

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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.