Home / 73,103,420.80-109,655,131.20-30,003,555.70

Finding the Fourth Proportional to 73,103,420.80, 109,655,131.20 and 30,003,555.70

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Solution

The fourth proportional to 73,103,420.80, 109,655,131.20 and 30,003,555.70 is: 45,005,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103,420.80 : 109,655,131.20 = 30,003,555.70 : x
  2. Step 2: Convert to fraction form
    73,103,420.80/109,655,131.20 = 30,003,555.70/x
  3. Step 3: Cross multiply
    73,103,420.80x = 109,655,131.20 × 30,003,555.70
  4. Step 4: Simplify right side
    73,103,420.80x = 3,290,043,836,750,008
  5. Step 5: Solve for x
    x = 3,290,043,836,750,008/73,103,420.80
  6. Step 6: Final answer
    x = 45,005,333.55

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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.