Home / 69,077,331.79-95,335,077.21-39,315,216.48

Finding the Fourth Proportional to 69,077,331.79, 95,335,077.21 and 39,315,216.48

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Solution

The fourth proportional to 69,077,331.79, 95,335,077.21 and 39,315,216.48 is: 54,259,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,077,331.79 : 95,335,077.21 = 39,315,216.48 : x
  2. Step 2: Convert to fraction form
    69,077,331.79/95,335,077.21 = 39,315,216.48/x
  3. Step 3: Cross multiply
    69,077,331.79x = 95,335,077.21 × 39,315,216.48
  4. Step 4: Simplify right side
    69,077,331.79x = 3,748,119,198,648,664
  5. Step 5: Solve for x
    x = 3,748,119,198,648,664/69,077,331.79
  6. Step 6: Final answer
    x = 54,259,756.44

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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.