Home / 235,924,846.43-325,715,947.47-209,747,059.20

Finding the Fourth Proportional to 235,924,846.43, 325,715,947.47 and 209,747,059.20

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Solution

The fourth proportional to 235,924,846.43, 325,715,947.47 and 209,747,059.20 is: 289,575,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,924,846.43 : 325,715,947.47 = 209,747,059.20 : x
  2. Step 2: Convert to fraction form
    235,924,846.43/325,715,947.47 = 209,747,059.20/x
  3. Step 3: Cross multiply
    235,924,846.43x = 325,715,947.47 × 209,747,059.20
  4. Step 4: Simplify right side
    235,924,846.43x = 68,317,962,116,374,184
  5. Step 5: Solve for x
    x = 68,317,962,116,374,184/235,924,846.43
  6. Step 6: Final answer
    x = 289,575,104.75

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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.