Home / 89,185,230,964.76-123,078,232,249.69-48,542,774,845.79

Finding the Fourth Proportional to 89,185,230,964.76, 123,078,232,249.69 and 48,542,774,845.79

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Solution

The fourth proportional to 89,185,230,964.76, 123,078,232,249.69 and 48,542,774,845.79 is: 66,990,451,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,185,230,964.76 : 123,078,232,249.69 = 48,542,774,845.79 : x
  2. Step 2: Convert to fraction form
    89,185,230,964.76/123,078,232,249.69 = 48,542,774,845.79/x
  3. Step 3: Cross multiply
    89,185,230,964.76x = 123,078,232,249.69 × 48,542,774,845.79
  4. Step 4: Simplify right side
    89,185,230,964.76x = 5,974,558,916,513,936,441,344
  5. Step 5: Solve for x
    x = 5,974,558,916,513,936,441,344/89,185,230,964.76
  6. Step 6: Final answer
    x = 66,990,451,803.34

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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.