Home / 90,599,311,261.32-125,032,630,177.21-49,954,097,043.06

Finding the Fourth Proportional to 90,599,311,261.32, 125,032,630,177.21 and 49,954,097,043.06

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Solution

The fourth proportional to 90,599,311,261.32, 125,032,630,177.21 and 49,954,097,043.06 is: 68,939,730,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,599,311,261.32 : 125,032,630,177.21 = 49,954,097,043.06 : x
  2. Step 2: Convert to fraction form
    90,599,311,261.32/125,032,630,177.21 = 49,954,097,043.06/x
  3. Step 3: Cross multiply
    90,599,311,261.32x = 125,032,630,177.21 × 49,954,097,043.06
  4. Step 4: Simplify right side
    90,599,311,261.32x = 6,245,892,141,421,380,501,504
  5. Step 5: Solve for x
    x = 6,245,892,141,421,380,501,504/90,599,311,261.32
  6. Step 6: Final answer
    x = 68,939,730,936.87

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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.