Home / 85,536,091.90-128,192,163.45-34,376,232.70

Finding the Fourth Proportional to 85,536,091.90, 128,192,163.45 and 34,376,232.70

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Solution

The fourth proportional to 85,536,091.90, 128,192,163.45 and 34,376,232.70 is: 51,519,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,091.90 : 128,192,163.45 = 34,376,232.70 : x
  2. Step 2: Convert to fraction form
    85,536,091.90/128,192,163.45 = 34,376,232.70/x
  3. Step 3: Cross multiply
    85,536,091.90x = 128,192,163.45 × 34,376,232.70
  4. Step 4: Simplify right side
    85,536,091.90x = 4,406,763,641,073,635.50
  5. Step 5: Solve for x
    x = 4,406,763,641,073,635.50/85,536,091.90
  6. Step 6: Final answer
    x = 51,519,347.48

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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.