Home / 112,456,591.86-168,707,894.78-38,670,788.94

Finding the Fourth Proportional to 112,456,591.86, 168,707,894.78 and 38,670,788.94

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Solution

The fourth proportional to 112,456,591.86, 168,707,894.78 and 38,670,788.94 is: 58,014,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,456,591.86 : 168,707,894.78 = 38,670,788.94 : x
  2. Step 2: Convert to fraction form
    112,456,591.86/168,707,894.78 = 38,670,788.94/x
  3. Step 3: Cross multiply
    112,456,591.86x = 168,707,894.78 × 38,670,788.94
  4. Step 4: Simplify right side
    112,456,591.86x = 6,524,067,391,549,107
  5. Step 5: Solve for x
    x = 6,524,067,391,549,107/112,456,591.86
  6. Step 6: Final answer
    x = 58,014,094.89

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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.