Home / 54,281,813.70-81,422,720.55-28,772,645.70

Finding the Fourth Proportional to 54,281,813.70, 81,422,720.55 and 28,772,645.70

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Solution

The fourth proportional to 54,281,813.70, 81,422,720.55 and 28,772,645.70 is: 43,158,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,813.70 : 81,422,720.55 = 28,772,645.70 : x
  2. Step 2: Convert to fraction form
    54,281,813.70/81,422,720.55 = 28,772,645.70/x
  3. Step 3: Cross multiply
    54,281,813.70x = 81,422,720.55 × 28,772,645.70
  4. Step 4: Simplify right side
    54,281,813.70x = 2,342,747,090,315,259
  5. Step 5: Solve for x
    x = 2,342,747,090,315,259/54,281,813.70
  6. Step 6: Final answer
    x = 43,158,968.55

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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.