Home / 312,588,825.96-468,787,273.02-216,164,170.92

Finding the Fourth Proportional to 312,588,825.96, 468,787,273.02 and 216,164,170.92

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Solution

The fourth proportional to 312,588,825.96, 468,787,273.02 and 216,164,170.92 is: 324,179,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,588,825.96 : 468,787,273.02 = 216,164,170.92 : x
  2. Step 2: Convert to fraction form
    312,588,825.96/468,787,273.02 = 216,164,170.92/x
  3. Step 3: Cross multiply
    312,588,825.96x = 468,787,273.02 × 216,164,170.92
  4. Step 4: Simplify right side
    312,588,825.96x = 101,335,012,210,215,968
  5. Step 5: Solve for x
    x = 101,335,012,210,215,968/312,588,825.96
  6. Step 6: Final answer
    x = 324,179,893.18

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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.