Home / 142,858,044.44-197,186,057.70-93,305,993.48

Finding the Fourth Proportional to 142,858,044.44, 197,186,057.70 and 93,305,993.48

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Solution

The fourth proportional to 142,858,044.44, 197,186,057.70 and 93,305,993.48 is: 128,789,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,858,044.44 : 197,186,057.70 = 93,305,993.48 : x
  2. Step 2: Convert to fraction form
    142,858,044.44/197,186,057.70 = 93,305,993.48/x
  3. Step 3: Cross multiply
    142,858,044.44x = 197,186,057.70 × 93,305,993.48
  4. Step 4: Simplify right side
    142,858,044.44x = 18,398,641,014,103,104
  5. Step 5: Solve for x
    x = 18,398,641,014,103,104/142,858,044.44
  6. Step 6: Final answer
    x = 128,789,674.30

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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.