Home / 73,103,515.80-109,655,273.70-61,624,390.20

Finding the Fourth Proportional to 73,103,515.80, 109,655,273.70 and 61,624,390.20

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Solution

The fourth proportional to 73,103,515.80, 109,655,273.70 and 61,624,390.20 is: 92,436,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103,515.80 : 109,655,273.70 = 61,624,390.20 : x
  2. Step 2: Convert to fraction form
    73,103,515.80/109,655,273.70 = 61,624,390.20/x
  3. Step 3: Cross multiply
    73,103,515.80x = 109,655,273.70 × 61,624,390.20
  4. Step 4: Simplify right side
    73,103,515.80x = 6,757,439,373,976,598
  5. Step 5: Solve for x
    x = 6,757,439,373,976,598/73,103,515.80
  6. Step 6: Final answer
    x = 92,436,585.30

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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.