Home / 188,439,896.80-282,449,893.20-73,386,200.80

Finding the Fourth Proportional to 188,439,896.80, 282,449,893.20 and 73,386,200.80

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Solution

The fourth proportional to 188,439,896.80, 282,449,893.20 and 73,386,200.80 is: 109,997,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,439,896.80 : 282,449,893.20 = 73,386,200.80 : x
  2. Step 2: Convert to fraction form
    188,439,896.80/282,449,893.20 = 73,386,200.80/x
  3. Step 3: Cross multiply
    188,439,896.80x = 282,449,893.20 × 73,386,200.80
  4. Step 4: Simplify right side
    188,439,896.80x = 20,727,924,578,313,752
  5. Step 5: Solve for x
    x = 20,727,924,578,313,752/188,439,896.80
  6. Step 6: Final answer
    x = 109,997,537.31

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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.