Home / 51,072,831.14-76,643,947.11-20,786,205.38

Finding the Fourth Proportional to 51,072,831.14, 76,643,947.11 and 20,786,205.38

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Solution

The fourth proportional to 51,072,831.14, 76,643,947.11 and 20,786,205.38 is: 31,193,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072,831.14 : 76,643,947.11 = 20,786,205.38 : x
  2. Step 2: Convert to fraction form
    51,072,831.14/76,643,947.11 = 20,786,205.38/x
  3. Step 3: Cross multiply
    51,072,831.14x = 76,643,947.11 × 20,786,205.38
  4. Step 4: Simplify right side
    51,072,831.14x = 1,593,136,825,762,317.25
  5. Step 5: Solve for x
    x = 1,593,136,825,762,317.25/51,072,831.14
  6. Step 6: Final answer
    x = 31,193,430.84

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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.