Home / 121,229,643.75-181,846,041.48-40,450,611.75

Finding the Fourth Proportional to 121,229,643.75, 181,846,041.48 and 40,450,611.75

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Solution

The fourth proportional to 121,229,643.75, 181,846,041.48 and 40,450,611.75 is: 60,676,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,229,643.75 : 181,846,041.48 = 40,450,611.75 : x
  2. Step 2: Convert to fraction form
    121,229,643.75/181,846,041.48 = 40,450,611.75/x
  3. Step 3: Cross multiply
    121,229,643.75x = 181,846,041.48 × 40,450,611.75
  4. Step 4: Simplify right side
    121,229,643.75x = 7,355,783,622,181,875
  5. Step 5: Solve for x
    x = 7,355,783,622,181,875/121,229,643.75
  6. Step 6: Final answer
    x = 60,676,443.44

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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.