Home / 165,887,999.20-248,831,998.80-117,515,058.40

Finding the Fourth Proportional to 165,887,999.20, 248,831,998.80 and 117,515,058.40

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Solution

The fourth proportional to 165,887,999.20, 248,831,998.80 and 117,515,058.40 is: 176,272,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,887,999.20 : 248,831,998.80 = 117,515,058.40 : x
  2. Step 2: Convert to fraction form
    165,887,999.20/248,831,998.80 = 117,515,058.40/x
  3. Step 3: Cross multiply
    165,887,999.20x = 248,831,998.80 × 117,515,058.40
  4. Step 4: Simplify right side
    165,887,999.20x = 29,241,506,870,770,732
  5. Step 5: Solve for x
    x = 29,241,506,870,770,732/165,887,999.20
  6. Step 6: Final answer
    x = 176,272,587.60

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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.