Home / 57,016,013.32-78,747,052.14-38,649,412.36

Finding the Fourth Proportional to 57,016,013.32, 78,747,052.14 and 38,649,412.36

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Solution

The fourth proportional to 57,016,013.32, 78,747,052.14 and 38,649,412.36 is: 53,380,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016,013.32 : 78,747,052.14 = 38,649,412.36 : x
  2. Step 2: Convert to fraction form
    57,016,013.32/78,747,052.14 = 38,649,412.36/x
  3. Step 3: Cross multiply
    57,016,013.32x = 78,747,052.14 × 38,649,412.36
  4. Step 4: Simplify right side
    57,016,013.32x = 3,043,527,290,293,280.50
  5. Step 5: Solve for x
    x = 3,043,527,290,293,280.50/57,016,013.32
  6. Step 6: Final answer
    x = 53,380,219.22

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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.