Home / 72,615,683.52-100,208,404.80-39,576,323.52

Finding the Fourth Proportional to 72,615,683.52, 100,208,404.80 and 39,576,323.52

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Solution

The fourth proportional to 72,615,683.52, 100,208,404.80 and 39,576,323.52 is: 54,614,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,615,683.52 : 100,208,404.80 = 39,576,323.52 : x
  2. Step 2: Convert to fraction form
    72,615,683.52/100,208,404.80 = 39,576,323.52/x
  3. Step 3: Cross multiply
    72,615,683.52x = 100,208,404.80 × 39,576,323.52
  4. Step 4: Simplify right side
    72,615,683.52x = 3,965,880,247,787,921
  5. Step 5: Solve for x
    x = 3,965,880,247,787,921/72,615,683.52
  6. Step 6: Final answer
    x = 54,614,651.48

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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.