Home / 212,273,429,936.42-318,454,869,812.15-68,841,274,166.60

Finding the Fourth Proportional to 212,273,429,936.42, 318,454,869,812.15 and 68,841,274,166.60

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Solution

The fourth proportional to 212,273,429,936.42, 318,454,869,812.15 and 68,841,274,166.60 is: 103,276,415,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,273,429,936.42 : 318,454,869,812.15 = 68,841,274,166.60 : x
  2. Step 2: Convert to fraction form
    212,273,429,936.42/318,454,869,812.15 = 68,841,274,166.60/x
  3. Step 3: Cross multiply
    212,273,429,936.42x = 318,454,869,812.15 × 68,841,274,166.60
  4. Step 4: Simplify right side
    212,273,429,936.42x = 21,922,839,002,427,133,263,872
  5. Step 5: Solve for x
    x = 21,922,839,002,427,133,263,872/212,273,429,936.42
  6. Step 6: Final answer
    x = 103,276,415,748.28

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1.5x scale

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.