Home / 54,281,815.70-81,422,723.55-28,772,647.70

Finding the Fourth Proportional to 54,281,815.70, 81,422,723.55 and 28,772,647.70

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Solution

The fourth proportional to 54,281,815.70, 81,422,723.55 and 28,772,647.70 is: 43,158,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,815.70 : 81,422,723.55 = 28,772,647.70 : x
  2. Step 2: Convert to fraction form
    54,281,815.70/81,422,723.55 = 28,772,647.70/x
  3. Step 3: Cross multiply
    54,281,815.70x = 81,422,723.55 × 28,772,647.70
  4. Step 4: Simplify right side
    54,281,815.70x = 2,342,747,339,478,643
  5. Step 5: Solve for x
    x = 2,342,747,339,478,643/54,281,815.70
  6. Step 6: Final answer
    x = 43,158,971.55

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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.