Home / 84,850,783.89-127,365,233.85-75,197,158.13

Finding the Fourth Proportional to 84,850,783.89, 127,365,233.85 and 75,197,158.13

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Solution

The fourth proportional to 84,850,783.89, 127,365,233.85 and 75,197,158.13 is: 112,874,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850,783.89 : 127,365,233.85 = 75,197,158.13 : x
  2. Step 2: Convert to fraction form
    84,850,783.89/127,365,233.85 = 75,197,158.13/x
  3. Step 3: Cross multiply
    84,850,783.89x = 127,365,233.85 × 75,197,158.13
  4. Step 4: Simplify right side
    84,850,783.89x = 9,577,503,629,446,052
  5. Step 5: Solve for x
    x = 9,577,503,629,446,052/84,850,783.89
  6. Step 6: Final answer
    x = 112,874,662.91

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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.