Home / 188,517,374.38-282,773,223.63-84,813,346.49

Finding the Fourth Proportional to 188,517,374.38, 282,773,223.63 and 84,813,346.49

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Solution

The fourth proportional to 188,517,374.38, 282,773,223.63 and 84,813,346.49 is: 127,218,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,517,374.38 : 282,773,223.63 = 84,813,346.49 : x
  2. Step 2: Convert to fraction form
    188,517,374.38/282,773,223.63 = 84,813,346.49/x
  3. Step 3: Cross multiply
    188,517,374.38x = 282,773,223.63 × 84,813,346.49
  4. Step 4: Simplify right side
    188,517,374.38x = 23,982,943,393,825,444
  5. Step 5: Solve for x
    x = 23,982,943,393,825,444/188,517,374.38
  6. Step 6: Final answer
    x = 127,218,742.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.