Home / 285,953,550.57-428,994,492.39-91,876,021.29

Finding the Fourth Proportional to 285,953,550.57, 428,994,492.39 and 91,876,021.29

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Solution

The fourth proportional to 285,953,550.57, 428,994,492.39 and 91,876,021.29 is: 137,834,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,953,550.57 : 428,994,492.39 = 91,876,021.29 : x
  2. Step 2: Convert to fraction form
    285,953,550.57/428,994,492.39 = 91,876,021.29/x
  3. Step 3: Cross multiply
    285,953,550.57x = 428,994,492.39 × 91,876,021.29
  4. Step 4: Simplify right side
    285,953,550.57x = 39,414,307,116,116,384
  5. Step 5: Solve for x
    x = 39,414,307,116,116,384/285,953,550.57
  6. Step 6: Final answer
    x = 137,834,648.45

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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.