Home / 72,892,427.76-100,616,883.12-41,964,923.52

Finding the Fourth Proportional to 72,892,427.76, 100,616,883.12 and 41,964,923.52

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Solution

The fourth proportional to 72,892,427.76, 100,616,883.12 and 41,964,923.52 is: 57,926,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,892,427.76 : 100,616,883.12 = 41,964,923.52 : x
  2. Step 2: Convert to fraction form
    72,892,427.76/100,616,883.12 = 41,964,923.52/x
  3. Step 3: Cross multiply
    72,892,427.76x = 100,616,883.12 × 41,964,923.52
  4. Step 4: Simplify right side
    72,892,427.76x = 4,222,379,804,951,579.50
  5. Step 5: Solve for x
    x = 4,222,379,804,951,579.50/72,892,427.76
  6. Step 6: Final answer
    x = 57,926,178.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.