Home / 314,965,884.80-472,448,827.20-123,489,660.80

Finding the Fourth Proportional to 314,965,884.80, 472,448,827.20 and 123,489,660.80

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Solution

The fourth proportional to 314,965,884.80, 472,448,827.20 and 123,489,660.80 is: 185,234,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,965,884.80 : 472,448,827.20 = 123,489,660.80 : x
  2. Step 2: Convert to fraction form
    314,965,884.80/472,448,827.20 = 123,489,660.80/x
  3. Step 3: Cross multiply
    314,965,884.80x = 472,448,827.20 × 123,489,660.80
  4. Step 4: Simplify right side
    314,965,884.80x = 58,342,545,416,285,808
  5. Step 5: Solve for x
    x = 58,342,545,416,285,808/314,965,884.80
  6. Step 6: Final answer
    x = 185,234,491.20

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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.