Home / 168,242,659.80-252,363,989.70-145,151,050.20

Finding the Fourth Proportional to 168,242,659.80, 252,363,989.70 and 145,151,050.20

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Solution

The fourth proportional to 168,242,659.80, 252,363,989.70 and 145,151,050.20 is: 217,726,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,242,659.80 : 252,363,989.70 = 145,151,050.20 : x
  2. Step 2: Convert to fraction form
    168,242,659.80/252,363,989.70 = 145,151,050.20/x
  3. Step 3: Cross multiply
    168,242,659.80x = 252,363,989.70 × 145,151,050.20
  4. Step 4: Simplify right side
    168,242,659.80x = 36,630,898,137,616,976
  5. Step 5: Solve for x
    x = 36,630,898,137,616,976/168,242,659.80
  6. Step 6: Final answer
    x = 217,726,575.30

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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.