Home / 55,568,044.49-76,682,886.44-30,788,140.95

Finding the Fourth Proportional to 55,568,044.49, 76,682,886.44 and 30,788,140.95

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Solution

The fourth proportional to 55,568,044.49, 76,682,886.44 and 30,788,140.95 is: 42,487,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,568,044.49 : 76,682,886.44 = 30,788,140.95 : x
  2. Step 2: Convert to fraction form
    55,568,044.49/76,682,886.44 = 30,788,140.95/x
  3. Step 3: Cross multiply
    55,568,044.49x = 76,682,886.44 × 30,788,140.95
  4. Step 4: Simplify right side
    55,568,044.49x = 2,360,923,516,013,623
  5. Step 5: Solve for x
    x = 2,360,923,516,013,623/55,568,044.49
  6. Step 6: Final answer
    x = 42,487,072.16

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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.