Home / 132,119,999.80-198,179,999.70-86,203,497.40

Finding the Fourth Proportional to 132,119,999.80, 198,179,999.70 and 86,203,497.40

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Solution

The fourth proportional to 132,119,999.80, 198,179,999.70 and 86,203,497.40 is: 129,305,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,119,999.80 : 198,179,999.70 = 86,203,497.40 : x
  2. Step 2: Convert to fraction form
    132,119,999.80/198,179,999.70 = 86,203,497.40/x
  3. Step 3: Cross multiply
    132,119,999.80x = 198,179,999.70 × 86,203,497.40
  4. Step 4: Simplify right side
    132,119,999.80x = 17,083,809,088,870,950
  5. Step 5: Solve for x
    x = 17,083,809,088,870,950/132,119,999.80
  6. Step 6: Final answer
    x = 129,305,246.10

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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.