Home / 206,747,242.20-285,313,107.66-113,931,071.64

Finding the Fourth Proportional to 206,747,242.20, 285,313,107.66 and 113,931,071.64

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Solution

The fourth proportional to 206,747,242.20, 285,313,107.66 and 113,931,071.64 is: 157,225,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747,242.20 : 285,313,107.66 = 113,931,071.64 : x
  2. Step 2: Convert to fraction form
    206,747,242.20/285,313,107.66 = 113,931,071.64/x
  3. Step 3: Cross multiply
    206,747,242.20x = 285,313,107.66 × 113,931,071.64
  4. Step 4: Simplify right side
    206,747,242.20x = 32,506,028,108,642,496
  5. Step 5: Solve for x
    x = 32,506,028,108,642,496/206,747,242.20
  6. Step 6: Final answer
    x = 157,225,933.28

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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.