Home / 209,952,182.80-314,928,274.20-208,676,724.40

Finding the Fourth Proportional to 209,952,182.80, 314,928,274.20 and 208,676,724.40

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Solution

The fourth proportional to 209,952,182.80, 314,928,274.20 and 208,676,724.40 is: 313,015,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,182.80 : 314,928,274.20 = 208,676,724.40 : x
  2. Step 2: Convert to fraction form
    209,952,182.80/314,928,274.20 = 208,676,724.40/x
  3. Step 3: Cross multiply
    209,952,182.80x = 314,928,274.20 × 208,676,724.40
  4. Step 4: Simplify right side
    209,952,182.80x = 65,718,200,681,001,032
  5. Step 5: Solve for x
    x = 65,718,200,681,001,032/209,952,182.80
  6. Step 6: Final answer
    x = 313,015,086.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.