Home / 164,593,521.80-246,778,308.30-78,373,233.80

Finding the Fourth Proportional to 164,593,521.80, 246,778,308.30 and 78,373,233.80

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Solution

The fourth proportional to 164,593,521.80, 246,778,308.30 and 78,373,233.80 is: 117,506,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,593,521.80 : 246,778,308.30 = 78,373,233.80 : x
  2. Step 2: Convert to fraction form
    164,593,521.80/246,778,308.30 = 78,373,233.80/x
  3. Step 3: Cross multiply
    164,593,521.80x = 246,778,308.30 × 78,373,233.80
  4. Step 4: Simplify right side
    164,593,521.80x = 19,340,814,053,164,380
  5. Step 5: Solve for x
    x = 19,340,814,053,164,380/164,593,521.80
  6. Step 6: Final answer
    x = 117,506,532.71

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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.