Home / 203,341,923-280,746,988.32-156,215,063.79

Finding the Fourth Proportional to 203,341,923, 280,746,988.32 and 156,215,063.79

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Solution

The fourth proportional to 203,341,923, 280,746,988.32 and 156,215,063.79 is: 215,680,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,341,923 : 280,746,988.32 = 156,215,063.79 : x
  2. Step 2: Convert to fraction form
    203,341,923/280,746,988.32 = 156,215,063.79/x
  3. Step 3: Cross multiply
    203,341,923x = 280,746,988.32 × 156,215,063.79
  4. Step 4: Simplify right side
    203,341,923x = 43,856,908,689,259,184
  5. Step 5: Solve for x
    x = 43,856,908,689,259,184/203,341,923
  6. Step 6: Final answer
    x = 215,680,603.60

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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.