Home / 54,959,819.60-82,439,729.40-28,085,963.60

Finding the Fourth Proportional to 54,959,819.60, 82,439,729.40 and 28,085,963.60

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Solution

The fourth proportional to 54,959,819.60, 82,439,729.40 and 28,085,963.60 is: 42,128,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,959,819.60 : 82,439,729.40 = 28,085,963.60 : x
  2. Step 2: Convert to fraction form
    54,959,819.60/82,439,729.40 = 28,085,963.60/x
  3. Step 3: Cross multiply
    54,959,819.60x = 82,439,729.40 × 28,085,963.60
  4. Step 4: Simplify right side
    54,959,819.60x = 2,315,399,239,122,250
  5. Step 5: Solve for x
    x = 2,315,399,239,122,250/54,959,819.60
  6. Step 6: Final answer
    x = 42,128,945.40

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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.