Home / 89,185,230,966.35-123,078,232,251.88-48,542,774,847.39

Finding the Fourth Proportional to 89,185,230,966.35, 123,078,232,251.88 and 48,542,774,847.39

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Solution

The fourth proportional to 89,185,230,966.35, 123,078,232,251.88 and 48,542,774,847.39 is: 66,990,451,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,185,230,966.35 : 123,078,232,251.88 = 48,542,774,847.39 : x
  2. Step 2: Convert to fraction form
    89,185,230,966.35/123,078,232,251.88 = 48,542,774,847.39/x
  3. Step 3: Cross multiply
    89,185,230,966.35x = 123,078,232,251.88 × 48,542,774,847.39
  4. Step 4: Simplify right side
    89,185,230,966.35x = 5,974,558,916,817,785,454,592
  5. Step 5: Solve for x
    x = 5,974,558,916,817,785,454,592/89,185,230,966.35
  6. Step 6: Final answer
    x = 66,990,451,805.55

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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.