Home / 282,813,881.88-423,945,695.38-135,223,087.92

Finding the Fourth Proportional to 282,813,881.88, 423,945,695.38 and 135,223,087.92

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Solution

The fourth proportional to 282,813,881.88, 423,945,695.38 and 135,223,087.92 is: 202,703,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,813,881.88 : 423,945,695.38 = 135,223,087.92 : x
  2. Step 2: Convert to fraction form
    282,813,881.88/423,945,695.38 = 135,223,087.92/x
  3. Step 3: Cross multiply
    282,813,881.88x = 423,945,695.38 × 135,223,087.92
  4. Step 4: Simplify right side
    282,813,881.88x = 57,327,246,039,675,272
  5. Step 5: Solve for x
    x = 57,327,246,039,675,272/282,813,881.88
  6. Step 6: Final answer
    x = 202,703,083.95

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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.