Home / 87,570,091.66-120,826,677.72-52,281,028.72

Finding the Fourth Proportional to 87,570,091.66, 120,826,677.72 and 52,281,028.72

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Solution

The fourth proportional to 87,570,091.66, 120,826,677.72 and 52,281,028.72 is: 72,135,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570,091.66 : 120,826,677.72 = 52,281,028.72 : x
  2. Step 2: Convert to fraction form
    87,570,091.66/120,826,677.72 = 52,281,028.72/x
  3. Step 3: Cross multiply
    87,570,091.66x = 120,826,677.72 × 52,281,028.72
  4. Step 4: Simplify right side
    87,570,091.66x = 6,316,943,008,021,504
  5. Step 5: Solve for x
    x = 6,316,943,008,021,504/87,570,091.66
  6. Step 6: Final answer
    x = 72,135,850.13

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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.