Home / 54,128,533.20-81,192,799.80-25,430,719.20

Finding the Fourth Proportional to 54,128,533.20, 81,192,799.80 and 25,430,719.20

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Solution

The fourth proportional to 54,128,533.20, 81,192,799.80 and 25,430,719.20 is: 38,146,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,533.20 : 81,192,799.80 = 25,430,719.20 : x
  2. Step 2: Convert to fraction form
    54,128,533.20/81,192,799.80 = 25,430,719.20/x
  3. Step 3: Cross multiply
    54,128,533.20x = 81,192,799.80 × 25,430,719.20
  4. Step 4: Simplify right side
    54,128,533.20x = 2,064,791,292,775,616
  5. Step 5: Solve for x
    x = 2,064,791,292,775,616/54,128,533.20
  6. Step 6: Final answer
    x = 38,146,078.80

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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.