Home / 162,932,620.80-244,682,366.40-86,405,116.80

Finding the Fourth Proportional to 162,932,620.80, 244,682,366.40 and 86,405,116.80

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Solution

The fourth proportional to 162,932,620.80, 244,682,366.40 and 86,405,116.80 is: 129,757,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,932,620.80 : 244,682,366.40 = 86,405,116.80 : x
  2. Step 2: Convert to fraction form
    162,932,620.80/244,682,366.40 = 86,405,116.80/x
  3. Step 3: Cross multiply
    162,932,620.80x = 244,682,366.40 × 86,405,116.80
  4. Step 4: Simplify right side
    162,932,620.80x = 21,141,808,447,692,396
  5. Step 5: Solve for x
    x = 21,141,808,447,692,396/162,932,620.80
  6. Step 6: Final answer
    x = 129,757,984.28

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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.