Home / 181,980,400.20-272,970,600.30-138,933,679.20

Finding the Fourth Proportional to 181,980,400.20, 272,970,600.30 and 138,933,679.20

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Solution

The fourth proportional to 181,980,400.20, 272,970,600.30 and 138,933,679.20 is: 208,400,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,980,400.20 : 272,970,600.30 = 138,933,679.20 : x
  2. Step 2: Convert to fraction form
    181,980,400.20/272,970,600.30 = 138,933,679.20/x
  3. Step 3: Cross multiply
    181,980,400.20x = 272,970,600.30 × 138,933,679.20
  4. Step 4: Simplify right side
    181,980,400.20x = 37,924,809,813,111,624
  5. Step 5: Solve for x
    x = 37,924,809,813,111,624/181,980,400.20
  6. Step 6: Final answer
    x = 208,400,518.80

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1.5x scale

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.