Home / 199,295,812.80-298,943,719.20-62,981,196.30

Finding the Fourth Proportional to 199,295,812.80, 298,943,719.20 and 62,981,196.30

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Solution

The fourth proportional to 199,295,812.80, 298,943,719.20 and 62,981,196.30 is: 94,471,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,295,812.80 : 298,943,719.20 = 62,981,196.30 : x
  2. Step 2: Convert to fraction form
    199,295,812.80/298,943,719.20 = 62,981,196.30/x
  3. Step 3: Cross multiply
    199,295,812.80x = 298,943,719.20 × 62,981,196.30
  4. Step 4: Simplify right side
    199,295,812.80x = 18,827,833,061,587,276
  5. Step 5: Solve for x
    x = 18,827,833,061,587,276/199,295,812.80
  6. Step 6: Final answer
    x = 94,471,794.45

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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.