Home / 188,730,005.70-282,963,395.05-83,628,185.37

Finding the Fourth Proportional to 188,730,005.70, 282,963,395.05 and 83,628,185.37

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Solution

The fourth proportional to 188,730,005.70, 282,963,395.05 and 83,628,185.37 is: 125,383,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,730,005.70 : 282,963,395.05 = 83,628,185.37 : x
  2. Step 2: Convert to fraction form
    188,730,005.70/282,963,395.05 = 83,628,185.37/x
  3. Step 3: Cross multiply
    188,730,005.70x = 282,963,395.05 × 83,628,185.37
  4. Step 4: Simplify right side
    188,730,005.70x = 23,663,715,252,895,756
  5. Step 5: Solve for x
    x = 23,663,715,252,895,756/188,730,005.70
  6. Step 6: Final answer
    x = 125,383,958.77

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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.