Home / 195,718,331.10-293,577,496.65-80,643,639.90

Finding the Fourth Proportional to 195,718,331.10, 293,577,496.65 and 80,643,639.90

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Solution

The fourth proportional to 195,718,331.10, 293,577,496.65 and 80,643,639.90 is: 120,965,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,718,331.10 : 293,577,496.65 = 80,643,639.90 : x
  2. Step 2: Convert to fraction form
    195,718,331.10/293,577,496.65 = 80,643,639.90/x
  3. Step 3: Cross multiply
    195,718,331.10x = 293,577,496.65 × 80,643,639.90
  4. Step 4: Simplify right side
    195,718,331.10x = 23,675,157,922,586,056
  5. Step 5: Solve for x
    x = 23,675,157,922,586,056/195,718,331.10
  6. Step 6: Final answer
    x = 120,965,459.85

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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.