Home / 74,728,158.54-112,084,669.56-20,146,261.53

Finding the Fourth Proportional to 74,728,158.54, 112,084,669.56 and 20,146,261.53

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Solution

The fourth proportional to 74,728,158.54, 112,084,669.56 and 20,146,261.53 is: 30,217,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,728,158.54 : 112,084,669.56 = 20,146,261.53 : x
  2. Step 2: Convert to fraction form
    74,728,158.54/112,084,669.56 = 20,146,261.53/x
  3. Step 3: Cross multiply
    74,728,158.54x = 112,084,669.56 × 20,146,261.53
  4. Step 4: Simplify right side
    74,728,158.54x = 2,258,087,066,459,390
  5. Step 5: Solve for x
    x = 2,258,087,066,459,390/74,728,158.54
  6. Step 6: Final answer
    x = 30,217,351.94

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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.