Home / 239,668,605.71-359,523,400.82-84,208,901.07

Finding the Fourth Proportional to 239,668,605.71, 359,523,400.82 and 84,208,901.07

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Solution

The fourth proportional to 239,668,605.71, 359,523,400.82 and 84,208,901.07 is: 126,320,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,668,605.71 : 359,523,400.82 = 84,208,901.07 : x
  2. Step 2: Convert to fraction form
    239,668,605.71/359,523,400.82 = 84,208,901.07/x
  3. Step 3: Cross multiply
    239,668,605.71x = 359,523,400.82 × 84,208,901.07
  4. Step 4: Simplify right side
    239,668,605.71x = 30,275,070,491,580,288
  5. Step 5: Solve for x
    x = 30,275,070,491,580,288/239,668,605.71
  6. Step 6: Final answer
    x = 126,320,551.67

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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.