Home / 81,761,772.96-112,802,754.32-52,409,290.56

Finding the Fourth Proportional to 81,761,772.96, 112,802,754.32 and 52,409,290.56

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Solution

The fourth proportional to 81,761,772.96, 112,802,754.32 and 52,409,290.56 is: 72,306,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,761,772.96 : 112,802,754.32 = 52,409,290.56 : x
  2. Step 2: Convert to fraction form
    81,761,772.96/112,802,754.32 = 52,409,290.56/x
  3. Step 3: Cross multiply
    81,761,772.96x = 112,802,754.32 × 52,409,290.56
  4. Step 4: Simplify right side
    81,761,772.96x = 5,911,912,327,125,175
  5. Step 5: Solve for x
    x = 5,911,912,327,125,175/81,761,772.96
  6. Step 6: Final answer
    x = 72,306,557.37

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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.