Home / 121,611,069.16-167,825,990.82-69,399,065.32

Finding the Fourth Proportional to 121,611,069.16, 167,825,990.82 and 69,399,065.32

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Solution

The fourth proportional to 121,611,069.16, 167,825,990.82 and 69,399,065.32 is: 95,772,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,611,069.16 : 167,825,990.82 = 69,399,065.32 : x
  2. Step 2: Convert to fraction form
    121,611,069.16/167,825,990.82 = 69,399,065.32/x
  3. Step 3: Cross multiply
    121,611,069.16x = 167,825,990.82 × 69,399,065.32
  4. Step 4: Simplify right side
    121,611,069.16x = 11,646,966,899,310,898
  5. Step 5: Solve for x
    x = 11,646,966,899,310,898/121,611,069.16
  6. Step 6: Final answer
    x = 95,772,259.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.