Home / 205,548,737.94-308,352,420-67,344,801.30

Finding the Fourth Proportional to 205,548,737.94, 308,352,420 and 67,344,801.30

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Solution

The fourth proportional to 205,548,737.94, 308,352,420 and 67,344,801.30 is: 101,026,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,548,737.94 : 308,352,420 = 67,344,801.30 : x
  2. Step 2: Convert to fraction form
    205,548,737.94/308,352,420 = 67,344,801.30/x
  3. Step 3: Cross multiply
    205,548,737.94x = 308,352,420 × 67,344,801.30
  4. Step 4: Simplify right side
    205,548,737.94x = 20,765,932,455,274,144
  5. Step 5: Solve for x
    x = 20,765,932,455,274,144/205,548,737.94
  6. Step 6: Final answer
    x = 101,026,805.92

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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.