Home / 206,736,669.65-285,302,689.74-113,923,156.20

Finding the Fourth Proportional to 206,736,669.65, 285,302,689.74 and 113,923,156.20

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Solution

The fourth proportional to 206,736,669.65, 285,302,689.74 and 113,923,156.20 is: 157,217,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,736,669.65 : 285,302,689.74 = 113,923,156.20 : x
  2. Step 2: Convert to fraction form
    206,736,669.65/285,302,689.74 = 113,923,156.20/x
  3. Step 3: Cross multiply
    206,736,669.65x = 285,302,689.74 × 113,923,156.20
  4. Step 4: Simplify right side
    206,736,669.65x = 32,502,582,887,530,160
  5. Step 5: Solve for x
    x = 32,502,582,887,530,160/206,736,669.65
  6. Step 6: Final answer
    x = 157,217,309.07

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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.