Home / 57,216,249.60-85,824,374.40-21,307,027.20

Finding the Fourth Proportional to 57,216,249.60, 85,824,374.40 and 21,307,027.20

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Solution

The fourth proportional to 57,216,249.60, 85,824,374.40 and 21,307,027.20 is: 31,960,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,249.60 : 85,824,374.40 = 21,307,027.20 : x
  2. Step 2: Convert to fraction form
    57,216,249.60/85,824,374.40 = 21,307,027.20/x
  3. Step 3: Cross multiply
    57,216,249.60x = 85,824,374.40 × 21,307,027.20
  4. Step 4: Simplify right side
    57,216,249.60x = 1,828,662,279,763,783.75
  5. Step 5: Solve for x
    x = 1,828,662,279,763,783.75/57,216,249.60
  6. Step 6: Final answer
    x = 31,960,540.80

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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.