Home / 73,103,418.80-109,655,128.20-61,624,293.20

Finding the Fourth Proportional to 73,103,418.80, 109,655,128.20 and 61,624,293.20

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Solution

The fourth proportional to 73,103,418.80, 109,655,128.20 and 61,624,293.20 is: 92,436,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103,418.80 : 109,655,128.20 = 61,624,293.20 : x
  2. Step 2: Convert to fraction form
    73,103,418.80/109,655,128.20 = 61,624,293.20/x
  3. Step 3: Cross multiply
    73,103,418.80x = 109,655,128.20 × 61,624,293.20
  4. Step 4: Simplify right side
    73,103,418.80x = 6,757,419,771,080,389
  5. Step 5: Solve for x
    x = 6,757,419,771,080,389/73,103,418.80
  6. Step 6: Final answer
    x = 92,436,439.80

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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.