Home / 302,890,185.29-454,382,253.02-128,013,955.54

Finding the Fourth Proportional to 302,890,185.29, 454,382,253.02 and 128,013,955.54

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Solution

The fourth proportional to 302,890,185.29, 454,382,253.02 and 128,013,955.54 is: 192,040,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,890,185.29 : 454,382,253.02 = 128,013,955.54 : x
  2. Step 2: Convert to fraction form
    302,890,185.29/454,382,253.02 = 128,013,955.54/x
  3. Step 3: Cross multiply
    302,890,185.29x = 454,382,253.02 × 128,013,955.54
  4. Step 4: Simplify right side
    302,890,185.29x = 58,167,269,535,451,384
  5. Step 5: Solve for x
    x = 58,167,269,535,451,384/302,890,185.29
  6. Step 6: Final answer
    x = 192,040,786.93

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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.