Home / 210,721,393.88-290,786,359.29-116,629,930.92

Finding the Fourth Proportional to 210,721,393.88, 290,786,359.29 and 116,629,930.92

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Solution

The fourth proportional to 210,721,393.88, 290,786,359.29 and 116,629,930.92 is: 160,944,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,721,393.88 : 290,786,359.29 = 116,629,930.92 : x
  2. Step 2: Convert to fraction form
    210,721,393.88/290,786,359.29 = 116,629,930.92/x
  3. Step 3: Cross multiply
    210,721,393.88x = 290,786,359.29 × 116,629,930.92
  4. Step 4: Simplify right side
    210,721,393.88x = 33,914,392,996,471,004
  5. Step 5: Solve for x
    x = 33,914,392,996,471,004/210,721,393.88
  6. Step 6: Final answer
    x = 160,944,232.44

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1.5x scale

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.