Home / 143,528,007.06-215,420,350.47-73,545,977.43

Finding the Fourth Proportional to 143,528,007.06, 215,420,350.47 and 73,545,977.43

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Solution

The fourth proportional to 143,528,007.06, 215,420,350.47 and 73,545,977.43 is: 110,384,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,528,007.06 : 215,420,350.47 = 73,545,977.43 : x
  2. Step 2: Convert to fraction form
    143,528,007.06/215,420,350.47 = 73,545,977.43/x
  3. Step 3: Cross multiply
    143,528,007.06x = 215,420,350.47 × 73,545,977.43
  4. Step 4: Simplify right side
    143,528,007.06x = 15,843,300,233,629,312
  5. Step 5: Solve for x
    x = 15,843,300,233,629,312/143,528,007.06
  6. Step 6: Final answer
    x = 110,384,729.49

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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.