Home / 72,876,072,982.62-109,318,905,974.52-19,094,525,480.64

Finding the Fourth Proportional to 72,876,072,982.62, 109,318,905,974.52 and 19,094,525,480.64

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Solution

The fourth proportional to 72,876,072,982.62, 109,318,905,974.52 and 19,094,525,480.64 is: 28,643,044,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876,072,982.62 : 109,318,905,974.52 = 19,094,525,480.64 : x
  2. Step 2: Convert to fraction form
    72,876,072,982.62/109,318,905,974.52 = 19,094,525,480.64/x
  3. Step 3: Cross multiply
    72,876,072,982.62x = 109,318,905,974.52 × 19,094,525,480.64
  4. Step 4: Simplify right side
    72,876,072,982.62x = 2,087,392,635,646,160,404,480
  5. Step 5: Solve for x
    x = 2,087,392,635,646,160,404,480/72,876,072,982.62
  6. Step 6: Final answer
    x = 28,643,044,969.56

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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.