Home / 153,305,999.70-229,958,999.55-88,735,918.20

Finding the Fourth Proportional to 153,305,999.70, 229,958,999.55 and 88,735,918.20

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Solution

The fourth proportional to 153,305,999.70, 229,958,999.55 and 88,735,918.20 is: 133,103,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,305,999.70 : 229,958,999.55 = 88,735,918.20 : x
  2. Step 2: Convert to fraction form
    153,305,999.70/229,958,999.55 = 88,735,918.20/x
  3. Step 3: Cross multiply
    153,305,999.70x = 229,958,999.55 × 88,735,918.20
  4. Step 4: Simplify right side
    153,305,999.70x = 20,405,622,973,422,640
  5. Step 5: Solve for x
    x = 20,405,622,973,422,640/153,305,999.70
  6. Step 6: Final answer
    x = 133,103,877.30

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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.