Home / 48,285,791.20-72,403,803.60-17,978,053.60

Finding the Fourth Proportional to 48,285,791.20, 72,403,803.60 and 17,978,053.60

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Solution

The fourth proportional to 48,285,791.20, 72,403,803.60 and 17,978,053.60 is: 26,957,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285,791.20 : 72,403,803.60 = 17,978,053.60 : x
  2. Step 2: Convert to fraction form
    48,285,791.20/72,403,803.60 = 17,978,053.60/x
  3. Step 3: Cross multiply
    48,285,791.20x = 72,403,803.60 × 17,978,053.60
  4. Step 4: Simplify right side
    48,285,791.20x = 1,301,679,461,964,673
  5. Step 5: Solve for x
    x = 1,301,679,461,964,673/48,285,791.20
  6. Step 6: Final answer
    x = 26,957,815.74

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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.