Home / 123,358,354,719.21-170,193,836,706.30-74,510,923,280.82

Finding the Fourth Proportional to 123,358,354,719.21, 170,193,836,706.30 and 74,510,923,280.82

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Solution

The fourth proportional to 123,358,354,719.21, 170,193,836,706.30 and 74,510,923,280.82 is: 102,800,494,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,358,354,719.21 : 170,193,836,706.30 = 74,510,923,280.82 : x
  2. Step 2: Convert to fraction form
    123,358,354,719.21/170,193,836,706.30 = 74,510,923,280.82/x
  3. Step 3: Cross multiply
    123,358,354,719.21x = 170,193,836,706.30 × 74,510,923,280.82
  4. Step 4: Simplify right side
    123,358,354,719.21x = 12,681,299,909,691,526,086,656
  5. Step 5: Solve for x
    x = 12,681,299,909,691,526,086,656/123,358,354,719.21
  6. Step 6: Final answer
    x = 102,800,494,855.47

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1.5x scale

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.