Home / 54,281,840.70-81,422,761.05-28,772,672.70

Finding the Fourth Proportional to 54,281,840.70, 81,422,761.05 and 28,772,672.70

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Solution

The fourth proportional to 54,281,840.70, 81,422,761.05 and 28,772,672.70 is: 43,159,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,840.70 : 81,422,761.05 = 28,772,672.70 : x
  2. Step 2: Convert to fraction form
    54,281,840.70/81,422,761.05 = 28,772,672.70/x
  3. Step 3: Cross multiply
    54,281,840.70x = 81,422,761.05 × 28,772,672.70
  4. Step 4: Simplify right side
    54,281,840.70x = 2,342,750,454,021,958
  5. Step 5: Solve for x
    x = 2,342,750,454,021,958/54,281,840.70
  6. Step 6: Final answer
    x = 43,159,009.05

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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.