Home / 209,163,354.27-313,783,338.02-86,274,634.29

Finding the Fourth Proportional to 209,163,354.27, 313,783,338.02 and 86,274,634.29

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Solution

The fourth proportional to 209,163,354.27, 313,783,338.02 and 86,274,634.29 is: 129,427,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,163,354.27 : 313,783,338.02 = 86,274,634.29 : x
  2. Step 2: Convert to fraction form
    209,163,354.27/313,783,338.02 = 86,274,634.29/x
  3. Step 3: Cross multiply
    209,163,354.27x = 313,783,338.02 × 86,274,634.29
  4. Step 4: Simplify right side
    209,163,354.27x = 27,071,542,733,539,580
  5. Step 5: Solve for x
    x = 27,071,542,733,539,580/209,163,354.27
  6. Step 6: Final answer
    x = 129,427,751.95

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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.