Home / 275,606,054.55-413,489,793.71-81,522,638.12

Finding the Fourth Proportional to 275,606,054.55, 413,489,793.71 and 81,522,638.12

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Solution

The fourth proportional to 275,606,054.55, 413,489,793.71 and 81,522,638.12 is: 122,307,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,606,054.55 : 413,489,793.71 = 81,522,638.12 : x
  2. Step 2: Convert to fraction form
    275,606,054.55/413,489,793.71 = 81,522,638.12/x
  3. Step 3: Cross multiply
    275,606,054.55x = 413,489,793.71 × 81,522,638.12
  4. Step 4: Simplify right side
    275,606,054.55x = 33,708,778,820,171,312
  5. Step 5: Solve for x
    x = 33,708,778,820,171,312/275,606,054.55
  6. Step 6: Final answer
    x = 122,307,831.28

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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.