Home / 65,531,932-90,434,105.12-36,558,556

Finding the Fourth Proportional to 65,531,932, 90,434,105.12 and 36,558,556

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Solution

The fourth proportional to 65,531,932, 90,434,105.12 and 36,558,556 is: 50,450,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,531,932 : 90,434,105.12 = 36,558,556 : x
  2. Step 2: Convert to fraction form
    65,531,932/90,434,105.12 = 36,558,556/x
  3. Step 3: Cross multiply
    65,531,932x = 90,434,105.12 × 36,558,556
  4. Step 4: Simplify right side
    65,531,932x = 3,306,140,296,339,407
  5. Step 5: Solve for x
    x = 3,306,140,296,339,407/65,531,932
  6. Step 6: Final answer
    x = 50,450,829.01

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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.