Home / 165,308,406.44-247,809,100.69-73,142,918.85

Finding the Fourth Proportional to 165,308,406.44, 247,809,100.69 and 73,142,918.85

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Solution

The fourth proportional to 165,308,406.44, 247,809,100.69 and 73,142,918.85 is: 109,646,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,308,406.44 : 247,809,100.69 = 73,142,918.85 : x
  2. Step 2: Convert to fraction form
    165,308,406.44/247,809,100.69 = 73,142,918.85/x
  3. Step 3: Cross multiply
    165,308,406.44x = 247,809,100.69 × 73,142,918.85
  4. Step 4: Simplify right side
    165,308,406.44x = 18,125,480,941,877,292
  5. Step 5: Solve for x
    x = 18,125,480,941,877,292/165,308,406.44
  6. Step 6: Final answer
    x = 109,646,456.18

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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.