Home / 147,198,123,275.55-203,133,410,511.30-79,532,713,493.64

Finding the Fourth Proportional to 147,198,123,275.55, 203,133,410,511.30 and 79,532,713,493.64

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Solution

The fourth proportional to 147,198,123,275.55, 203,133,410,511.30 and 79,532,713,493.64 is: 109,755,144,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,198,123,275.55 : 203,133,410,511.30 = 79,532,713,493.64 : x
  2. Step 2: Convert to fraction form
    147,198,123,275.55/203,133,410,511.30 = 79,532,713,493.64/x
  3. Step 3: Cross multiply
    147,198,123,275.55x = 203,133,410,511.30 × 79,532,713,493.64
  4. Step 4: Simplify right side
    147,198,123,275.55x = 16,155,751,339,181,182,287,872
  5. Step 5: Solve for x
    x = 16,155,751,339,181,182,287,872/147,198,123,275.55
  6. Step 6: Final answer
    x = 109,755,144,832.51

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Double scale
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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.