Home / 213,364,906.22-294,490,938.56-129,715,262.37

Finding the Fourth Proportional to 213,364,906.22, 294,490,938.56 and 129,715,262.37

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Solution

The fourth proportional to 213,364,906.22, 294,490,938.56 and 129,715,262.37 is: 179,035,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,364,906.22 : 294,490,938.56 = 129,715,262.37 : x
  2. Step 2: Convert to fraction form
    213,364,906.22/294,490,938.56 = 129,715,262.37/x
  3. Step 3: Cross multiply
    213,364,906.22x = 294,490,938.56 × 129,715,262.37
  4. Step 4: Simplify right side
    213,364,906.22x = 38,199,969,359,513,152
  5. Step 5: Solve for x
    x = 38,199,969,359,513,152/213,364,906.22
  6. Step 6: Final answer
    x = 179,035,859.44

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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.