Home / 69,200,651-103,801,077.50-28,260,090.64

Finding the Fourth Proportional to 69,200,651, 103,801,077.50 and 28,260,090.64

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Solution

The fourth proportional to 69,200,651, 103,801,077.50 and 28,260,090.64 is: 42,390,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,200,651 : 103,801,077.50 = 28,260,090.64 : x
  2. Step 2: Convert to fraction form
    69,200,651/103,801,077.50 = 28,260,090.64/x
  3. Step 3: Cross multiply
    69,200,651x = 103,801,077.50 × 28,260,090.64
  4. Step 4: Simplify right side
    69,200,651x = 2,933,427,858,679,664.50
  5. Step 5: Solve for x
    x = 2,933,427,858,679,664.50/69,200,651
  6. Step 6: Final answer
    x = 42,390,177.21

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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.