Home / 55,454,180.67-76,520,878.11-30,670,429.64

Finding the Fourth Proportional to 55,454,180.67, 76,520,878.11 and 30,670,429.64

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Solution

The fourth proportional to 55,454,180.67, 76,520,878.11 and 30,670,429.64 is: 42,321,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,454,180.67 : 76,520,878.11 = 30,670,429.64 : x
  2. Step 2: Convert to fraction form
    55,454,180.67/76,520,878.11 = 30,670,429.64/x
  3. Step 3: Cross multiply
    55,454,180.67x = 76,520,878.11 × 30,670,429.64
  4. Step 4: Simplify right side
    55,454,180.67x = 2,346,928,207,681,167
  5. Step 5: Solve for x
    x = 2,346,928,207,681,167/55,454,180.67
  6. Step 6: Final answer
    x = 42,321,934.60

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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.