Home / 165,887,999.20-248,831,998.80-146,740,376.80

Finding the Fourth Proportional to 165,887,999.20, 248,831,998.80 and 146,740,376.80

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Solution

The fourth proportional to 165,887,999.20, 248,831,998.80 and 146,740,376.80 is: 220,110,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,887,999.20 : 248,831,998.80 = 146,740,376.80 : x
  2. Step 2: Convert to fraction form
    165,887,999.20/248,831,998.80 = 146,740,376.80/x
  3. Step 3: Cross multiply
    165,887,999.20x = 248,831,998.80 × 146,740,376.80
  4. Step 4: Simplify right side
    165,887,999.20x = 36,513,701,263,809,152
  5. Step 5: Solve for x
    x = 36,513,701,263,809,152/165,887,999.20
  6. Step 6: Final answer
    x = 220,110,565.20

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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.