Home / 136,733,740.80-205,100,611.20-131,956,166.40

Finding the Fourth Proportional to 136,733,740.80, 205,100,611.20 and 131,956,166.40

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Solution

The fourth proportional to 136,733,740.80, 205,100,611.20 and 131,956,166.40 is: 197,934,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,733,740.80 : 205,100,611.20 = 131,956,166.40 : x
  2. Step 2: Convert to fraction form
    136,733,740.80/205,100,611.20 = 131,956,166.40/x
  3. Step 3: Cross multiply
    136,733,740.80x = 205,100,611.20 × 131,956,166.40
  4. Step 4: Simplify right side
    136,733,740.80x = 27,064,290,380,248,904
  5. Step 5: Solve for x
    x = 27,064,290,380,248,904/136,733,740.80
  6. Step 6: Final answer
    x = 197,934,249.60

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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.