Home / 87,022,986.98-120,091,783.34-47,867,742.50

Finding the Fourth Proportional to 87,022,986.98, 120,091,783.34 and 47,867,742.50

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Solution

The fourth proportional to 87,022,986.98, 120,091,783.34 and 47,867,742.50 is: 66,057,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022,986.98 : 120,091,783.34 = 47,867,742.50 : x
  2. Step 2: Convert to fraction form
    87,022,986.98/120,091,783.34 = 47,867,742.50/x
  3. Step 3: Cross multiply
    87,022,986.98x = 120,091,783.34 × 47,867,742.50
  4. Step 4: Simplify right side
    87,022,986.98x = 5,748,522,560,804,120
  5. Step 5: Solve for x
    x = 5,748,522,560,804,120/87,022,986.98
  6. Step 6: Final answer
    x = 66,057,518.37

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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.