Home / 102,764,809.47-141,815,285.31-55,721,797.46

Finding the Fourth Proportional to 102,764,809.47, 141,815,285.31 and 55,721,797.46

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Solution

The fourth proportional to 102,764,809.47, 141,815,285.31 and 55,721,797.46 is: 76,895,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,764,809.47 : 141,815,285.31 = 55,721,797.46 : x
  2. Step 2: Convert to fraction form
    102,764,809.47/141,815,285.31 = 55,721,797.46/x
  3. Step 3: Cross multiply
    102,764,809.47x = 141,815,285.31 × 55,721,797.46
  4. Step 4: Simplify right side
    102,764,809.47x = 7,902,202,604,493,908
  5. Step 5: Solve for x
    x = 7,902,202,604,493,908/102,764,809.47
  6. Step 6: Final answer
    x = 76,895,998.21

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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.