Home / 202,134,163.91-278,945,985.20-109,314,672.66

Finding the Fourth Proportional to 202,134,163.91, 278,945,985.20 and 109,314,672.66

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Solution

The fourth proportional to 202,134,163.91, 278,945,985.20 and 109,314,672.66 is: 150,854,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,134,163.91 : 278,945,985.20 = 109,314,672.66 : x
  2. Step 2: Convert to fraction form
    202,134,163.91/278,945,985.20 = 109,314,672.66/x
  3. Step 3: Cross multiply
    202,134,163.91x = 278,945,985.20 × 109,314,672.66
  4. Step 4: Simplify right side
    202,134,163.91x = 30,492,889,061,412,628
  5. Step 5: Solve for x
    x = 30,492,889,061,412,628/202,134,163.91
  6. Step 6: Final answer
    x = 150,854,702.01

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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.