Home / 164,923,358.50-247,275,852.99-78,675,076.90

Finding the Fourth Proportional to 164,923,358.50, 247,275,852.99 and 78,675,076.90

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Solution

The fourth proportional to 164,923,358.50, 247,275,852.99 and 78,675,076.90 is: 117,960,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,923,358.50 : 247,275,852.99 = 78,675,076.90 : x
  2. Step 2: Convert to fraction form
    164,923,358.50/247,275,852.99 = 78,675,076.90/x
  3. Step 3: Cross multiply
    164,923,358.50x = 247,275,852.99 × 78,675,076.90
  4. Step 4: Simplify right side
    164,923,358.50x = 19,454,446,749,501,348
  5. Step 5: Solve for x
    x = 19,454,446,749,501,348/164,923,358.50
  6. Step 6: Final answer
    x = 117,960,529.83

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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.