Home / 192,485,405.28-288,745,082.64-54,312,224.16

Finding the Fourth Proportional to 192,485,405.28, 288,745,082.64 and 54,312,224.16

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Solution

The fourth proportional to 192,485,405.28, 288,745,082.64 and 54,312,224.16 is: 81,473,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,485,405.28 : 288,745,082.64 = 54,312,224.16 : x
  2. Step 2: Convert to fraction form
    192,485,405.28/288,745,082.64 = 54,312,224.16/x
  3. Step 3: Cross multiply
    192,485,405.28x = 288,745,082.64 × 54,312,224.16
  4. Step 4: Simplify right side
    192,485,405.28x = 15,682,387,653,441,402
  5. Step 5: Solve for x
    x = 15,682,387,653,441,402/192,485,405.28
  6. Step 6: Final answer
    x = 81,473,125.87

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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.