Home / 165,356,608.80-248,034,913.20-79,263,166.80

Finding the Fourth Proportional to 165,356,608.80, 248,034,913.20 and 79,263,166.80

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Solution

The fourth proportional to 165,356,608.80, 248,034,913.20 and 79,263,166.80 is: 118,894,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356,608.80 : 248,034,913.20 = 79,263,166.80 : x
  2. Step 2: Convert to fraction form
    165,356,608.80/248,034,913.20 = 79,263,166.80/x
  3. Step 3: Cross multiply
    165,356,608.80x = 248,034,913.20 × 79,263,166.80
  4. Step 4: Simplify right side
    165,356,608.80x = 19,660,032,697,195,120
  5. Step 5: Solve for x
    x = 19,660,032,697,195,120/165,356,608.80
  6. Step 6: Final answer
    x = 118,894,750.20

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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.