Home / 84,929,517.56-127,392,994.34-38,210,011.54

Finding the Fourth Proportional to 84,929,517.56, 127,392,994.34 and 38,210,011.54

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Solution

The fourth proportional to 84,929,517.56, 127,392,994.34 and 38,210,011.54 is: 57,314,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929,517.56 : 127,392,994.34 = 38,210,011.54 : x
  2. Step 2: Convert to fraction form
    84,929,517.56/127,392,994.34 = 38,210,011.54/x
  3. Step 3: Cross multiply
    84,929,517.56x = 127,392,994.34 × 38,210,011.54
  4. Step 4: Simplify right side
    84,929,517.56x = 4,867,687,783,846,555
  5. Step 5: Solve for x
    x = 4,867,687,783,846,555/84,929,517.56
  6. Step 6: Final answer
    x = 57,314,440.53

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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.