Home / 53,896,661.40-80,844,992.10-21,532,560.60

Finding the Fourth Proportional to 53,896,661.40, 80,844,992.10 and 21,532,560.60

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Solution

The fourth proportional to 53,896,661.40, 80,844,992.10 and 21,532,560.60 is: 32,298,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896,661.40 : 80,844,992.10 = 21,532,560.60 : x
  2. Step 2: Convert to fraction form
    53,896,661.40/80,844,992.10 = 21,532,560.60/x
  3. Step 3: Cross multiply
    53,896,661.40x = 80,844,992.10 × 21,532,560.60
  4. Step 4: Simplify right side
    53,896,661.40x = 1,740,799,691,599,771.25
  5. Step 5: Solve for x
    x = 1,740,799,691,599,771.25/53,896,661.40
  6. Step 6: Final answer
    x = 32,298,840.90

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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.