Home / 53,407,809-73,702,776.42-28,961,542.44

Finding the Fourth Proportional to 53,407,809, 73,702,776.42 and 28,961,542.44

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Solution

The fourth proportional to 53,407,809, 73,702,776.42 and 28,961,542.44 is: 39,966,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,407,809 : 73,702,776.42 = 28,961,542.44 : x
  2. Step 2: Convert to fraction form
    53,407,809/73,702,776.42 = 28,961,542.44/x
  3. Step 3: Cross multiply
    53,407,809x = 73,702,776.42 × 28,961,542.44
  4. Step 4: Simplify right side
    53,407,809x = 2,134,546,087,233,661.50
  5. Step 5: Solve for x
    x = 2,134,546,087,233,661.50/53,407,809
  6. Step 6: Final answer
    x = 39,966,928.57

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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.