Home / 216,538,289.28-324,826,528.05-61,093,457.28

Finding the Fourth Proportional to 216,538,289.28, 324,826,528.05 and 61,093,457.28

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Solution

The fourth proportional to 216,538,289.28, 324,826,528.05 and 61,093,457.28 is: 91,645,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,538,289.28 : 324,826,528.05 = 61,093,457.28 : x
  2. Step 2: Convert to fraction form
    216,538,289.28/324,826,528.05 = 61,093,457.28/x
  3. Step 3: Cross multiply
    216,538,289.28x = 324,826,528.05 × 61,093,457.28
  4. Step 4: Simplify right side
    216,538,289.28x = 19,844,775,614,833,396
  5. Step 5: Solve for x
    x = 19,844,775,614,833,396/216,538,289.28
  6. Step 6: Final answer
    x = 91,645,573.08

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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.