Home / 209,952,214.80-314,928,322.20-206,550,992.40

Finding the Fourth Proportional to 209,952,214.80, 314,928,322.20 and 206,550,992.40

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Solution

The fourth proportional to 209,952,214.80, 314,928,322.20 and 206,550,992.40 is: 309,826,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,214.80 : 314,928,322.20 = 206,550,992.40 : x
  2. Step 2: Convert to fraction form
    209,952,214.80/314,928,322.20 = 206,550,992.40/x
  3. Step 3: Cross multiply
    209,952,214.80x = 314,928,322.20 × 206,550,992.40
  4. Step 4: Simplify right side
    209,952,214.80x = 65,048,757,485,276,952
  5. Step 5: Solve for x
    x = 65,048,757,485,276,952/209,952,214.80
  6. Step 6: Final answer
    x = 309,826,488.60

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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.