Home / 206,792,384.80-310,188,577.20-91,788,552.40

Finding the Fourth Proportional to 206,792,384.80, 310,188,577.20 and 91,788,552.40

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Solution

The fourth proportional to 206,792,384.80, 310,188,577.20 and 91,788,552.40 is: 137,682,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,792,384.80 : 310,188,577.20 = 91,788,552.40 : x
  2. Step 2: Convert to fraction form
    206,792,384.80/310,188,577.20 = 91,788,552.40/x
  3. Step 3: Cross multiply
    206,792,384.80x = 310,188,577.20 × 91,788,552.40
  4. Step 4: Simplify right side
    206,792,384.80x = 28,471,760,472,203,648
  5. Step 5: Solve for x
    x = 28,471,760,472,203,648/206,792,384.80
  6. Step 6: Final answer
    x = 137,682,828.60

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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.