Home / 84,850,787.89-127,365,239.85-75,197,162.13

Finding the Fourth Proportional to 84,850,787.89, 127,365,239.85 and 75,197,162.13

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Solution

The fourth proportional to 84,850,787.89, 127,365,239.85 and 75,197,162.13 is: 112,874,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850,787.89 : 127,365,239.85 = 75,197,162.13 : x
  2. Step 2: Convert to fraction form
    84,850,787.89/127,365,239.85 = 75,197,162.13/x
  3. Step 3: Cross multiply
    84,850,787.89x = 127,365,239.85 × 75,197,162.13
  4. Step 4: Simplify right side
    84,850,787.89x = 9,577,504,590,726,786
  5. Step 5: Solve for x
    x = 9,577,504,590,726,786/84,850,787.89
  6. Step 6: Final answer
    x = 112,874,668.92

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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.