Home / 55,398,815.94-76,454,324.40-30,618,469.74

Finding the Fourth Proportional to 55,398,815.94, 76,454,324.40 and 30,618,469.74

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Solution

The fourth proportional to 55,398,815.94, 76,454,324.40 and 30,618,469.74 is: 42,255,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398,815.94 : 76,454,324.40 = 30,618,469.74 : x
  2. Step 2: Convert to fraction form
    55,398,815.94/76,454,324.40 = 30,618,469.74/x
  3. Step 3: Cross multiply
    55,398,815.94x = 76,454,324.40 × 30,618,469.74
  4. Step 4: Simplify right side
    55,398,815.94x = 2,340,914,418,133,543.50
  5. Step 5: Solve for x
    x = 2,340,914,418,133,543.50/55,398,815.94
  6. Step 6: Final answer
    x = 42,255,676.02

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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.