Home / 200,204,580.30-300,306,870.45-157,206,410.70

Finding the Fourth Proportional to 200,204,580.30, 300,306,870.45 and 157,206,410.70

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Solution

The fourth proportional to 200,204,580.30, 300,306,870.45 and 157,206,410.70 is: 235,809,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,204,580.30 : 300,306,870.45 = 157,206,410.70 : x
  2. Step 2: Convert to fraction form
    200,204,580.30/300,306,870.45 = 157,206,410.70/x
  3. Step 3: Cross multiply
    200,204,580.30x = 300,306,870.45 × 157,206,410.70
  4. Step 4: Simplify right side
    200,204,580.30x = 47,210,165,211,994,392
  5. Step 5: Solve for x
    x = 47,210,165,211,994,392/200,204,580.30
  6. Step 6: Final answer
    x = 235,809,616.05

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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.