Home / 219,654,717.71-303,128,141.31-120,534,598.08

Finding the Fourth Proportional to 219,654,717.71, 303,128,141.31 and 120,534,598.08

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Solution

The fourth proportional to 219,654,717.71, 303,128,141.31 and 120,534,598.08 is: 166,340,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,654,717.71 : 303,128,141.31 = 120,534,598.08 : x
  2. Step 2: Convert to fraction form
    219,654,717.71/303,128,141.31 = 120,534,598.08/x
  3. Step 3: Cross multiply
    219,654,717.71x = 303,128,141.31 × 120,534,598.08
  4. Step 4: Simplify right side
    219,654,717.71x = 36,537,428,679,538,296
  5. Step 5: Solve for x
    x = 36,537,428,679,538,296/219,654,717.71
  6. Step 6: Final answer
    x = 166,340,286.52

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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.