Home / 81,564,086.61-112,560,875.48-50,220,218.04

Finding the Fourth Proportional to 81,564,086.61, 112,560,875.48 and 50,220,218.04

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Solution

The fourth proportional to 81,564,086.61, 112,560,875.48 and 50,220,218.04 is: 69,305,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,564,086.61 : 112,560,875.48 = 50,220,218.04 : x
  2. Step 2: Convert to fraction form
    81,564,086.61/112,560,875.48 = 50,220,218.04/x
  3. Step 3: Cross multiply
    81,564,086.61x = 112,560,875.48 × 50,220,218.04
  4. Step 4: Simplify right side
    81,564,086.61x = 5,652,831,709,378,890
  5. Step 5: Solve for x
    x = 5,652,831,709,378,890/81,564,086.61
  6. Step 6: Final answer
    x = 69,305,400.75

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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.