Home / 45,485,572.80-68,251,978.80-19,929,165.60

Finding the Fourth Proportional to 45,485,572.80, 68,251,978.80 and 19,929,165.60

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Solution

The fourth proportional to 45,485,572.80, 68,251,978.80 and 19,929,165.60 is: 29,904,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485,572.80 : 68,251,978.80 = 19,929,165.60 : x
  2. Step 2: Convert to fraction form
    45,485,572.80/68,251,978.80 = 19,929,165.60/x
  3. Step 3: Cross multiply
    45,485,572.80x = 68,251,978.80 × 19,929,165.60
  4. Step 4: Simplify right side
    45,485,572.80x = 1,360,204,988,032,889.25
  5. Step 5: Solve for x
    x = 1,360,204,988,032,889.25/45,485,572.80
  6. Step 6: Final answer
    x = 29,904,097.15

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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.