Home / 90,992,409.20-136,488,613.80-50,602,893.20

Finding the Fourth Proportional to 90,992,409.20, 136,488,613.80 and 50,602,893.20

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Solution

The fourth proportional to 90,992,409.20, 136,488,613.80 and 50,602,893.20 is: 75,904,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992,409.20 : 136,488,613.80 = 50,602,893.20 : x
  2. Step 2: Convert to fraction form
    90,992,409.20/136,488,613.80 = 50,602,893.20/x
  3. Step 3: Cross multiply
    90,992,409.20x = 136,488,613.80 × 50,602,893.20
  4. Step 4: Simplify right side
    90,992,409.20x = 6,906,718,747,137,447
  5. Step 5: Solve for x
    x = 6,906,718,747,137,447/90,992,409.20
  6. Step 6: Final answer
    x = 75,904,339.80

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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.