Home / 117,267,963.05-161,762,553.75-73,138,347.56

Finding the Fourth Proportional to 117,267,963.05, 161,762,553.75 and 73,138,347.56

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Solution

The fourth proportional to 117,267,963.05, 161,762,553.75 and 73,138,347.56 is: 100,888,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,267,963.05 : 161,762,553.75 = 73,138,347.56 : x
  2. Step 2: Convert to fraction form
    117,267,963.05/161,762,553.75 = 73,138,347.56/x
  3. Step 3: Cross multiply
    117,267,963.05x = 161,762,553.75 × 73,138,347.56
  4. Step 4: Simplify right side
    117,267,963.05x = 11,831,045,878,360,682
  5. Step 5: Solve for x
    x = 11,831,045,878,360,682/117,267,963.05
  6. Step 6: Final answer
    x = 100,888,985.97

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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.