Home / 74,912,031.60-112,322,428.20-29,419,321.20

Finding the Fourth Proportional to 74,912,031.60, 112,322,428.20 and 29,419,321.20

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Solution

The fourth proportional to 74,912,031.60, 112,322,428.20 and 29,419,321.20 is: 44,111,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,912,031.60 : 112,322,428.20 = 29,419,321.20 : x
  2. Step 2: Convert to fraction form
    74,912,031.60/112,322,428.20 = 29,419,321.20/x
  3. Step 3: Cross multiply
    74,912,031.60x = 112,322,428.20 × 29,419,321.20
  4. Step 4: Simplify right side
    74,912,031.60x = 3,304,449,593,179,738
  5. Step 5: Solve for x
    x = 3,304,449,593,179,738/74,912,031.60
  6. Step 6: Final answer
    x = 44,111,066.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.