Home / 110,717,670.70-166,076,506.05-82,019,856.70

Finding the Fourth Proportional to 110,717,670.70, 166,076,506.05 and 82,019,856.70

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Solution

The fourth proportional to 110,717,670.70, 166,076,506.05 and 82,019,856.70 is: 123,029,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,670.70 : 166,076,506.05 = 82,019,856.70 : x
  2. Step 2: Convert to fraction form
    110,717,670.70/166,076,506.05 = 82,019,856.70/x
  3. Step 3: Cross multiply
    110,717,670.70x = 166,076,506.05 × 82,019,856.70
  4. Step 4: Simplify right side
    110,717,670.70x = 13,621,571,227,457,684
  5. Step 5: Solve for x
    x = 13,621,571,227,457,684/110,717,670.70
  6. Step 6: Final answer
    x = 123,029,785.05

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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.