Home / 80,617,870.05-120,906,875.77-34,554,515.55

Finding the Fourth Proportional to 80,617,870.05, 120,906,875.77 and 34,554,515.55

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Solution

The fourth proportional to 80,617,870.05, 120,906,875.77 and 34,554,515.55 is: 51,823,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617,870.05 : 120,906,875.77 = 34,554,515.55 : x
  2. Step 2: Convert to fraction form
    80,617,870.05/120,906,875.77 = 34,554,515.55/x
  3. Step 3: Cross multiply
    80,617,870.05x = 120,906,875.77 × 34,554,515.55
  4. Step 4: Simplify right side
    80,617,870.05x = 4,177,878,518,896,382.50
  5. Step 5: Solve for x
    x = 4,177,878,518,896,382.50/80,617,870.05
  6. Step 6: Final answer
    x = 51,823,231.21

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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.