Home / 217,493,481.13-300,140,987.24-118,374,939.22

Finding the Fourth Proportional to 217,493,481.13, 300,140,987.24 and 118,374,939.22

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Solution

The fourth proportional to 217,493,481.13, 300,140,987.24 and 118,374,939.22 is: 163,357,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,493,481.13 : 300,140,987.24 = 118,374,939.22 : x
  2. Step 2: Convert to fraction form
    217,493,481.13/300,140,987.24 = 118,374,939.22/x
  3. Step 3: Cross multiply
    217,493,481.13x = 300,140,987.24 × 118,374,939.22
  4. Step 4: Simplify right side
    217,493,481.13x = 35,529,171,119,873,220
  5. Step 5: Solve for x
    x = 35,529,171,119,873,220/217,493,481.13
  6. Step 6: Final answer
    x = 163,357,407.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.