Home / 131,059,163.16-180,892,597.75-75,336,906.36

Finding the Fourth Proportional to 131,059,163.16, 180,892,597.75 and 75,336,906.36

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Solution

The fourth proportional to 131,059,163.16, 180,892,597.75 and 75,336,906.36 is: 103,982,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,059,163.16 : 180,892,597.75 = 75,336,906.36 : x
  2. Step 2: Convert to fraction form
    131,059,163.16/180,892,597.75 = 75,336,906.36/x
  3. Step 3: Cross multiply
    131,059,163.16x = 180,892,597.75 × 75,336,906.36
  4. Step 4: Simplify right side
    131,059,163.16x = 13,627,888,698,398,902
  5. Step 5: Solve for x
    x = 13,627,888,698,398,902/131,059,163.16
  6. Step 6: Final answer
    x = 103,982,723.30

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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.