Home / 74,728,155.82-112,084,665.47-20,146,258.80

Finding the Fourth Proportional to 74,728,155.82, 112,084,665.47 and 20,146,258.80

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Solution

The fourth proportional to 74,728,155.82, 112,084,665.47 and 20,146,258.80 is: 30,217,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,728,155.82 : 112,084,665.47 = 20,146,258.80 : x
  2. Step 2: Convert to fraction form
    74,728,155.82/112,084,665.47 = 20,146,258.80/x
  3. Step 3: Cross multiply
    74,728,155.82x = 112,084,665.47 × 20,146,258.80
  4. Step 4: Simplify right side
    74,728,155.82x = 2,258,086,677,814,584
  5. Step 5: Solve for x
    x = 2,258,086,677,814,584/74,728,155.82
  6. Step 6: Final answer
    x = 30,217,347.84

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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.