Home / 131,452,911.92-181,389,214.32-75,716,459.28

Finding the Fourth Proportional to 131,452,911.92, 181,389,214.32 and 75,716,459.28

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Solution

The fourth proportional to 131,452,911.92, 181,389,214.32 and 75,716,459.28 is: 104,479,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,452,911.92 : 181,389,214.32 = 75,716,459.28 : x
  2. Step 2: Convert to fraction form
    131,452,911.92/181,389,214.32 = 75,716,459.28/x
  3. Step 3: Cross multiply
    131,452,911.92x = 181,389,214.32 × 75,716,459.28
  4. Step 4: Simplify right side
    131,452,911.92x = 13,734,149,059,891,472
  5. Step 5: Solve for x
    x = 13,734,149,059,891,472/131,452,911.92
  6. Step 6: Final answer
    x = 104,479,610.68

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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.