Home / 72,068,801.78-108,275,662.26-46,211,762.90

Finding the Fourth Proportional to 72,068,801.78, 108,275,662.26 and 46,211,762.90

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Solution

The fourth proportional to 72,068,801.78, 108,275,662.26 and 46,211,762.90 is: 69,428,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068,801.78 : 108,275,662.26 = 46,211,762.90 : x
  2. Step 2: Convert to fraction form
    72,068,801.78/108,275,662.26 = 46,211,762.90/x
  3. Step 3: Cross multiply
    72,068,801.78x = 108,275,662.26 × 46,211,762.90
  4. Step 4: Simplify right side
    72,068,801.78x = 5,003,609,231,658,220
  5. Step 5: Solve for x
    x = 5,003,609,231,658,220/72,068,801.78
  6. Step 6: Final answer
    x = 69,428,228.42

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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.