Home / 57,016,012.32-78,747,050.76-38,649,411.36

Finding the Fourth Proportional to 57,016,012.32, 78,747,050.76 and 38,649,411.36

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Solution

The fourth proportional to 57,016,012.32, 78,747,050.76 and 38,649,411.36 is: 53,380,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016,012.32 : 78,747,050.76 = 38,649,411.36 : x
  2. Step 2: Convert to fraction form
    57,016,012.32/78,747,050.76 = 38,649,411.36/x
  3. Step 3: Cross multiply
    57,016,012.32x = 78,747,050.76 × 38,649,411.36
  4. Step 4: Simplify right side
    57,016,012.32x = 3,043,527,158,210,041
  5. Step 5: Solve for x
    x = 3,043,527,158,210,041/57,016,012.32
  6. Step 6: Final answer
    x = 53,380,217.84

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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.