Home / 173,728,151.40-260,636,335.97-80,422,390.74

Finding the Fourth Proportional to 173,728,151.40, 260,636,335.97 and 80,422,390.74

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Solution

The fourth proportional to 173,728,151.40, 260,636,335.97 and 80,422,390.74 is: 120,654,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,728,151.40 : 260,636,335.97 = 80,422,390.74 : x
  2. Step 2: Convert to fraction form
    173,728,151.40/260,636,335.97 = 80,422,390.74/x
  3. Step 3: Cross multiply
    173,728,151.40x = 260,636,335.97 × 80,422,390.74
  4. Step 4: Simplify right side
    173,728,151.40x = 20,960,997,252,019,144
  5. Step 5: Solve for x
    x = 20,960,997,252,019,144/173,728,151.40
  6. Step 6: Final answer
    x = 120,654,005.03

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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.