Home / 79,746,559.74-119,619,839.68-19,162,285.74

Finding the Fourth Proportional to 79,746,559.74, 119,619,839.68 and 19,162,285.74

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Solution

The fourth proportional to 79,746,559.74, 119,619,839.68 and 19,162,285.74 is: 28,743,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,559.74 : 119,619,839.68 = 19,162,285.74 : x
  2. Step 2: Convert to fraction form
    79,746,559.74/119,619,839.68 = 19,162,285.74/x
  3. Step 3: Cross multiply
    79,746,559.74x = 119,619,839.68 × 19,162,285.74
  4. Step 4: Simplify right side
    79,746,559.74x = 2,292,189,548,073,244
  5. Step 5: Solve for x
    x = 2,292,189,548,073,244/79,746,559.74
  6. Step 6: Final answer
    x = 28,743,428.63

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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.