Home / 213,079,528.80-319,955,216.40-122,380,264.80

Finding the Fourth Proportional to 213,079,528.80, 319,955,216.40 and 122,380,264.80

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Solution

The fourth proportional to 213,079,528.80, 319,955,216.40 and 122,380,264.80 is: 183,763,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,079,528.80 : 319,955,216.40 = 122,380,264.80 : x
  2. Step 2: Convert to fraction form
    213,079,528.80/319,955,216.40 = 122,380,264.80/x
  3. Step 3: Cross multiply
    213,079,528.80x = 319,955,216.40 × 122,380,264.80
  4. Step 4: Simplify right side
    213,079,528.80x = 39,156,204,107,173,296
  5. Step 5: Solve for x
    x = 39,156,204,107,173,296/213,079,528.80
  6. Step 6: Final answer
    x = 183,763,331.60

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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.