Home / 57,016,016.46-78,747,056.44-38,649,415.50

Finding the Fourth Proportional to 57,016,016.46, 78,747,056.44 and 38,649,415.50

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Solution

The fourth proportional to 57,016,016.46, 78,747,056.44 and 38,649,415.50 is: 53,380,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016,016.46 : 78,747,056.44 = 38,649,415.50 : x
  2. Step 2: Convert to fraction form
    57,016,016.46/78,747,056.44 = 38,649,415.50/x
  3. Step 3: Cross multiply
    57,016,016.46x = 78,747,056.44 × 38,649,415.50
  4. Step 4: Simplify right side
    57,016,016.46x = 3,043,527,703,654,887.50
  5. Step 5: Solve for x
    x = 3,043,527,703,654,887.50/57,016,016.46
  6. Step 6: Final answer
    x = 53,380,223.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.