Home / 336,992,257-505,488,385.50-81,690,625

Finding the Fourth Proportional to 336,992,257, 505,488,385.50 and 81,690,625

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Solution

The fourth proportional to 336,992,257, 505,488,385.50 and 81,690,625 is: 122,535,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,992,257 : 505,488,385.50 = 81,690,625 : x
  2. Step 2: Convert to fraction form
    336,992,257/505,488,385.50 = 81,690,625/x
  3. Step 3: Cross multiply
    336,992,257x = 505,488,385.50 × 81,690,625
  4. Step 4: Simplify right side
    336,992,257x = 41,293,662,141,735,936
  5. Step 5: Solve for x
    x = 41,293,662,141,735,936/336,992,257
  6. Step 6: Final answer
    x = 122,535,937.50

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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.