Home / 209,952,181.80-314,928,272.70-196,347,292.20

Finding the Fourth Proportional to 209,952,181.80, 314,928,272.70 and 196,347,292.20

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Solution

The fourth proportional to 209,952,181.80, 314,928,272.70 and 196,347,292.20 is: 294,520,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,181.80 : 314,928,272.70 = 196,347,292.20 : x
  2. Step 2: Convert to fraction form
    209,952,181.80/314,928,272.70 = 196,347,292.20/x
  3. Step 3: Cross multiply
    209,952,181.80x = 314,928,272.70 × 196,347,292.20
  4. Step 4: Simplify right side
    209,952,181.80x = 61,835,313,581,868,176
  5. Step 5: Solve for x
    x = 61,835,313,581,868,176/209,952,181.80
  6. Step 6: Final answer
    x = 294,520,938.30

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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.