Home / 235,517,999.31-353,329,688.68-71,768,571.57

Finding the Fourth Proportional to 235,517,999.31, 353,329,688.68 and 71,768,571.57

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Solution

The fourth proportional to 235,517,999.31, 353,329,688.68 and 71,768,571.57 is: 107,668,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,517,999.31 : 353,329,688.68 = 71,768,571.57 : x
  2. Step 2: Convert to fraction form
    235,517,999.31/353,329,688.68 = 71,768,571.57/x
  3. Step 3: Cross multiply
    235,517,999.31x = 353,329,688.68 × 71,768,571.57
  4. Step 4: Simplify right side
    235,517,999.31x = 25,357,967,049,836,396
  5. Step 5: Solve for x
    x = 25,357,967,049,836,396/235,517,999.31
  6. Step 6: Final answer
    x = 107,668,913.31

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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.