Home / 151,778,977.45-209,455,657.34-82,164,358.33

Finding the Fourth Proportional to 151,778,977.45, 209,455,657.34 and 82,164,358.33

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Solution

The fourth proportional to 151,778,977.45, 209,455,657.34 and 82,164,358.33 is: 113,387,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,778,977.45 : 209,455,657.34 = 82,164,358.33 : x
  2. Step 2: Convert to fraction form
    151,778,977.45/209,455,657.34 = 82,164,358.33/x
  3. Step 3: Cross multiply
    151,778,977.45x = 209,455,657.34 × 82,164,358.33
  4. Step 4: Simplify right side
    151,778,977.45x = 17,209,789,682,994,994
  5. Step 5: Solve for x
    x = 17,209,789,682,994,994/151,778,977.45
  6. Step 6: Final answer
    x = 113,387,176.36

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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.