Home / 165,887,999.40-248,831,999.10-153,794,764.20

Finding the Fourth Proportional to 165,887,999.40, 248,831,999.10 and 153,794,764.20

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Solution

The fourth proportional to 165,887,999.40, 248,831,999.10 and 153,794,764.20 is: 230,692,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,887,999.40 : 248,831,999.10 = 153,794,764.20 : x
  2. Step 2: Convert to fraction form
    165,887,999.40/248,831,999.10 = 153,794,764.20/x
  3. Step 3: Cross multiply
    165,887,999.40x = 248,831,999.10 × 153,794,764.20
  4. Step 4: Simplify right side
    165,887,999.40x = 38,269,058,626,999,112
  5. Step 5: Solve for x
    x = 38,269,058,626,999,112/165,887,999.40
  6. Step 6: Final answer
    x = 230,692,146.30

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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.