Home / 235,517,998.42-353,329,687.38-71,768,570.68

Finding the Fourth Proportional to 235,517,998.42, 353,329,687.38 and 71,768,570.68

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Solution

The fourth proportional to 235,517,998.42, 353,329,687.38 and 71,768,570.68 is: 107,668,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,517,998.42 : 353,329,687.38 = 71,768,570.68 : x
  2. Step 2: Convert to fraction form
    235,517,998.42/353,329,687.38 = 71,768,570.68/x
  3. Step 3: Cross multiply
    235,517,998.42x = 353,329,687.38 × 71,768,570.68
  4. Step 4: Simplify right side
    235,517,998.42x = 25,357,966,642,073,836
  5. Step 5: Solve for x
    x = 25,357,966,642,073,836/235,517,998.42
  6. Step 6: Final answer
    x = 107,668,911.98

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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.