Home / 312,588,824.96-468,787,271.52-216,164,169.92

Finding the Fourth Proportional to 312,588,824.96, 468,787,271.52 and 216,164,169.92

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Solution

The fourth proportional to 312,588,824.96, 468,787,271.52 and 216,164,169.92 is: 324,179,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,588,824.96 : 468,787,271.52 = 216,164,169.92 : x
  2. Step 2: Convert to fraction form
    312,588,824.96/468,787,271.52 = 216,164,169.92/x
  3. Step 3: Cross multiply
    312,588,824.96x = 468,787,271.52 × 216,164,169.92
  4. Step 4: Simplify right side
    312,588,824.96x = 101,335,011,417,182,448
  5. Step 5: Solve for x
    x = 101,335,011,417,182,448/312,588,824.96
  6. Step 6: Final answer
    x = 324,179,891.68

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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.