Home / 165,006,039.60-247,131,145.80-84,132,529.20

Finding the Fourth Proportional to 165,006,039.60, 247,131,145.80 and 84,132,529.20

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Solution

The fourth proportional to 165,006,039.60, 247,131,145.80 and 84,132,529.20 is: 126,006,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,006,039.60 : 247,131,145.80 = 84,132,529.20 : x
  2. Step 2: Convert to fraction form
    165,006,039.60/247,131,145.80 = 84,132,529.20/x
  3. Step 3: Cross multiply
    165,006,039.60x = 247,131,145.80 × 84,132,529.20
  4. Step 4: Simplify right side
    165,006,039.60x = 20,791,768,340,247,960
  5. Step 5: Solve for x
    x = 20,791,768,340,247,960/165,006,039.60
  6. Step 6: Final answer
    x = 126,006,104.93

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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.