Home / 87,778,656-121,135,795.84-50,608,200.96

Finding the Fourth Proportional to 87,778,656, 121,135,795.84 and 50,608,200.96

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Solution

The fourth proportional to 87,778,656, 121,135,795.84 and 50,608,200.96 is: 69,840,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,778,656 : 121,135,795.84 = 50,608,200.96 : x
  2. Step 2: Convert to fraction form
    87,778,656/121,135,795.84 = 50,608,200.96/x
  3. Step 3: Cross multiply
    87,778,656x = 121,135,795.84 × 50,608,200.96
  4. Step 4: Simplify right side
    87,778,656x = 6,130,464,699,320,252
  5. Step 5: Solve for x
    x = 6,130,464,699,320,252/87,778,656
  6. Step 6: Final answer
    x = 69,840,038.33

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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.