Home / 72,444,073.48-108,652,246.66-28,128,360.31

Finding the Fourth Proportional to 72,444,073.48, 108,652,246.66 and 28,128,360.31

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Solution

The fourth proportional to 72,444,073.48, 108,652,246.66 and 28,128,360.31 is: 42,187,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444,073.48 : 108,652,246.66 = 28,128,360.31 : x
  2. Step 2: Convert to fraction form
    72,444,073.48/108,652,246.66 = 28,128,360.31/x
  3. Step 3: Cross multiply
    72,444,073.48x = 108,652,246.66 × 28,128,360.31
  4. Step 4: Simplify right side
    72,444,073.48x = 3,056,209,542,307,004
  5. Step 5: Solve for x
    x = 3,056,209,542,307,004/72,444,073.48
  6. Step 6: Final answer
    x = 42,187,157.56

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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.