Home / 53,428,139.20-80,142,208.80-36,422,027.20

Finding the Fourth Proportional to 53,428,139.20, 80,142,208.80 and 36,422,027.20

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Solution

The fourth proportional to 53,428,139.20, 80,142,208.80 and 36,422,027.20 is: 54,633,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428,139.20 : 80,142,208.80 = 36,422,027.20 : x
  2. Step 2: Convert to fraction form
    53,428,139.20/80,142,208.80 = 36,422,027.20/x
  3. Step 3: Cross multiply
    53,428,139.20x = 80,142,208.80 × 36,422,027.20
  4. Step 4: Simplify right side
    53,428,139.20x = 2,918,941,708,781,679.50
  5. Step 5: Solve for x
    x = 2,918,941,708,781,679.50/53,428,139.20
  6. Step 6: Final answer
    x = 54,633,040.80

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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.