Home / 60,407,535.71-90,614,884.55-18,916,172.21

Finding the Fourth Proportional to 60,407,535.71, 90,614,884.55 and 18,916,172.21

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Solution

The fourth proportional to 60,407,535.71, 90,614,884.55 and 18,916,172.21 is: 28,375,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,407,535.71 : 90,614,884.55 = 18,916,172.21 : x
  2. Step 2: Convert to fraction form
    60,407,535.71/90,614,884.55 = 18,916,172.21/x
  3. Step 3: Cross multiply
    60,407,535.71x = 90,614,884.55 × 18,916,172.21
  4. Step 4: Simplify right side
    60,407,535.71x = 1,714,086,760,389,413
  5. Step 5: Solve for x
    x = 1,714,086,760,389,413/60,407,535.71
  6. Step 6: Final answer
    x = 28,375,379.67

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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.