Home / 54,978,175,280.40-82,467,262,920.60-21,853,723,470.90

Finding the Fourth Proportional to 54,978,175,280.40, 82,467,262,920.60 and 21,853,723,470.90

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Solution

The fourth proportional to 54,978,175,280.40, 82,467,262,920.60 and 21,853,723,470.90 is: 32,780,585,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,175,280.40 : 82,467,262,920.60 = 21,853,723,470.90 : x
  2. Step 2: Convert to fraction form
    54,978,175,280.40/82,467,262,920.60 = 21,853,723,470.90/x
  3. Step 3: Cross multiply
    54,978,175,280.40x = 82,467,262,920.60 × 21,853,723,470.90
  4. Step 4: Simplify right side
    54,978,175,280.40x = 1,802,216,759,268,797,841,408
  5. Step 5: Solve for x
    x = 1,802,216,759,268,797,841,408/54,978,175,280.40
  6. Step 6: Final answer
    x = 32,780,585,206.35

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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.