Home / 216,538,288.28-324,826,526.55-61,093,456.28

Finding the Fourth Proportional to 216,538,288.28, 324,826,526.55 and 61,093,456.28

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Solution

The fourth proportional to 216,538,288.28, 324,826,526.55 and 61,093,456.28 is: 91,645,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,538,288.28 : 324,826,526.55 = 61,093,456.28 : x
  2. Step 2: Convert to fraction form
    216,538,288.28/324,826,526.55 = 61,093,456.28/x
  3. Step 3: Cross multiply
    216,538,288.28x = 324,826,526.55 × 61,093,456.28
  4. Step 4: Simplify right side
    216,538,288.28x = 19,844,775,196,742,552
  5. Step 5: Solve for x
    x = 19,844,775,196,742,552/216,538,288.28
  6. Step 6: Final answer
    x = 91,645,571.57

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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.