Home / 275,315,996.15-412,823,048.18-109,151,169.06

Finding the Fourth Proportional to 275,315,996.15, 412,823,048.18 and 109,151,169.06

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Solution

The fourth proportional to 275,315,996.15, 412,823,048.18 and 109,151,169.06 is: 163,666,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,315,996.15 : 412,823,048.18 = 109,151,169.06 : x
  2. Step 2: Convert to fraction form
    275,315,996.15/412,823,048.18 = 109,151,169.06/x
  3. Step 3: Cross multiply
    275,315,996.15x = 412,823,048.18 × 109,151,169.06
  4. Step 4: Simplify right side
    275,315,996.15x = 45,060,118,323,759,704
  5. Step 5: Solve for x
    x = 45,060,118,323,759,704/275,315,996.15
  6. Step 6: Final answer
    x = 163,666,909.86

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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.