Home / 66,883,610.30-100,325,415.45-56,679,943.10

Finding the Fourth Proportional to 66,883,610.30, 100,325,415.45 and 56,679,943.10

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Solution

The fourth proportional to 66,883,610.30, 100,325,415.45 and 56,679,943.10 is: 85,019,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883,610.30 : 100,325,415.45 = 56,679,943.10 : x
  2. Step 2: Convert to fraction form
    66,883,610.30/100,325,415.45 = 56,679,943.10/x
  3. Step 3: Cross multiply
    66,883,610.30x = 100,325,415.45 × 56,679,943.10
  4. Step 4: Simplify right side
    66,883,610.30x = 5,686,438,839,189,861
  5. Step 5: Solve for x
    x = 5,686,438,839,189,861/66,883,610.30
  6. Step 6: Final answer
    x = 85,019,914.65

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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.