Home / 89,718,556.86-123,834,643.16-58,434,560.69

Finding the Fourth Proportional to 89,718,556.86, 123,834,643.16 and 58,434,560.69

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Solution

The fourth proportional to 89,718,556.86, 123,834,643.16 and 58,434,560.69 is: 80,654,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718,556.86 : 123,834,643.16 = 58,434,560.69 : x
  2. Step 2: Convert to fraction form
    89,718,556.86/123,834,643.16 = 58,434,560.69/x
  3. Step 3: Cross multiply
    89,718,556.86x = 123,834,643.16 × 58,434,560.69
  4. Step 4: Simplify right side
    89,718,556.86x = 7,236,222,970,346,168
  5. Step 5: Solve for x
    x = 7,236,222,970,346,168/89,718,556.86
  6. Step 6: Final answer
    x = 80,654,696.46

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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.