Home / 121,254,378.84-181,878,942.18-33,813,562.70

Finding the Fourth Proportional to 121,254,378.84, 181,878,942.18 and 33,813,562.70

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Solution

The fourth proportional to 121,254,378.84, 181,878,942.18 and 33,813,562.70 is: 50,719,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,254,378.84 : 181,878,942.18 = 33,813,562.70 : x
  2. Step 2: Convert to fraction form
    121,254,378.84/181,878,942.18 = 33,813,562.70/x
  3. Step 3: Cross multiply
    121,254,378.84x = 181,878,942.18 × 33,813,562.70
  4. Step 4: Simplify right side
    121,254,378.84x = 6,149,975,015,213,105
  5. Step 5: Solve for x
    x = 6,149,975,015,213,105/121,254,378.84
  6. Step 6: Final answer
    x = 50,719,611.73

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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.