Home / 314,928,682.20-472,393,023.30-159,960,486.60

Finding the Fourth Proportional to 314,928,682.20, 472,393,023.30 and 159,960,486.60

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Solution

The fourth proportional to 314,928,682.20, 472,393,023.30 and 159,960,486.60 is: 239,940,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,682.20 : 472,393,023.30 = 159,960,486.60 : x
  2. Step 2: Convert to fraction form
    314,928,682.20/472,393,023.30 = 159,960,486.60/x
  3. Step 3: Cross multiply
    314,928,682.20x = 472,393,023.30 × 159,960,486.60
  4. Step 4: Simplify right side
    314,928,682.20x = 75,564,217,873,513,136
  5. Step 5: Solve for x
    x = 75,564,217,873,513,136/314,928,682.20
  6. Step 6: Final answer
    x = 239,940,729.90

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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.