Home / 142,285,732.64-196,356,540.24-83,549,696.48

Finding the Fourth Proportional to 142,285,732.64, 196,356,540.24 and 83,549,696.48

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Solution

The fourth proportional to 142,285,732.64, 196,356,540.24 and 83,549,696.48 is: 115,299,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,285,732.64 : 196,356,540.24 = 83,549,696.48 : x
  2. Step 2: Convert to fraction form
    142,285,732.64/196,356,540.24 = 83,549,696.48/x
  3. Step 3: Cross multiply
    142,285,732.64x = 196,356,540.24 × 83,549,696.48
  4. Step 4: Simplify right side
    142,285,732.64x = 16,405,529,338,914,908
  5. Step 5: Solve for x
    x = 16,405,529,338,914,908/142,285,732.64
  6. Step 6: Final answer
    x = 115,299,890.12

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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.