Home / 100,508,781.18-150,720,324.33-38,249,471.57

Finding the Fourth Proportional to 100,508,781.18, 150,720,324.33 and 38,249,471.57

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Solution

The fourth proportional to 100,508,781.18, 150,720,324.33 and 38,249,471.57 is: 57,357,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,508,781.18 : 150,720,324.33 = 38,249,471.57 : x
  2. Step 2: Convert to fraction form
    100,508,781.18/150,720,324.33 = 38,249,471.57/x
  3. Step 3: Cross multiply
    100,508,781.18x = 150,720,324.33 × 38,249,471.57
  4. Step 4: Simplify right side
    100,508,781.18x = 5,764,972,761,089,425
  5. Step 5: Solve for x
    x = 5,764,972,761,089,425/100,508,781.18
  6. Step 6: Final answer
    x = 57,357,901.41

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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.