Home / 209,039,539.39-313,539,047.87-63,474,380.35

Finding the Fourth Proportional to 209,039,539.39, 313,539,047.87 and 63,474,380.35

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Solution

The fourth proportional to 209,039,539.39, 313,539,047.87 and 63,474,380.35 is: 95,205,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,039,539.39 : 313,539,047.87 = 63,474,380.35 : x
  2. Step 2: Convert to fraction form
    209,039,539.39/313,539,047.87 = 63,474,380.35/x
  3. Step 3: Cross multiply
    209,039,539.39x = 313,539,047.87 × 63,474,380.35
  4. Step 4: Simplify right side
    209,039,539.39x = 19,901,696,777,976,016
  5. Step 5: Solve for x
    x = 19,901,696,777,976,016/209,039,539.39
  6. Step 6: Final answer
    x = 95,205,418.25

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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.