Home / 110,664,594.80-165,996,892.20-72,443,999.60

Finding the Fourth Proportional to 110,664,594.80, 165,996,892.20 and 72,443,999.60

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Solution

The fourth proportional to 110,664,594.80, 165,996,892.20 and 72,443,999.60 is: 108,665,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,664,594.80 : 165,996,892.20 = 72,443,999.60 : x
  2. Step 2: Convert to fraction form
    110,664,594.80/165,996,892.20 = 72,443,999.60/x
  3. Step 3: Cross multiply
    110,664,594.80x = 165,996,892.20 × 72,443,999.60
  4. Step 4: Simplify right side
    110,664,594.80x = 12,025,478,792,138,042
  5. Step 5: Solve for x
    x = 12,025,478,792,138,042/110,664,594.80
  6. Step 6: Final answer
    x = 108,665,999.40

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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.