Home / 206,747,199.12-285,313,047.96-113,931,028.36

Finding the Fourth Proportional to 206,747,199.12, 285,313,047.96 and 113,931,028.36

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Solution

The fourth proportional to 206,747,199.12, 285,313,047.96 and 113,931,028.36 is: 157,225,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747,199.12 : 285,313,047.96 = 113,931,028.36 : x
  2. Step 2: Convert to fraction form
    206,747,199.12/285,313,047.96 = 113,931,028.36/x
  3. Step 3: Cross multiply
    206,747,199.12x = 285,313,047.96 × 113,931,028.36
  4. Step 4: Simplify right side
    206,747,199.12x = 32,506,008,958,608,796
  5. Step 5: Solve for x
    x = 32,506,008,958,608,796/206,747,199.12
  6. Step 6: Final answer
    x = 157,225,873.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.