Home / 55,278,936.75-76,284,718.29-30,500,665.95

Finding the Fourth Proportional to 55,278,936.75, 76,284,718.29 and 30,500,665.95

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Solution

The fourth proportional to 55,278,936.75, 76,284,718.29 and 30,500,665.95 is: 42,090,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,278,936.75 : 76,284,718.29 = 30,500,665.95 : x
  2. Step 2: Convert to fraction form
    55,278,936.75/76,284,718.29 = 30,500,665.95/x
  3. Step 3: Cross multiply
    55,278,936.75x = 76,284,718.29 × 30,500,665.95
  4. Step 4: Simplify right side
    55,278,936.75x = 2,326,734,709,653,145.50
  5. Step 5: Solve for x
    x = 2,326,734,709,653,145.50/55,278,936.75
  6. Step 6: Final answer
    x = 42,090,800.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.