Home / 342,026,399.68-471,983,786.56-185,390,143.60

Finding the Fourth Proportional to 342,026,399.68, 471,983,786.56 and 185,390,143.60

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Solution

The fourth proportional to 342,026,399.68, 471,983,786.56 and 185,390,143.60 is: 255,831,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,399.68 : 471,983,786.56 = 185,390,143.60 : x
  2. Step 2: Convert to fraction form
    342,026,399.68/471,983,786.56 = 185,390,143.60/x
  3. Step 3: Cross multiply
    342,026,399.68x = 471,983,786.56 × 185,390,143.60
  4. Step 4: Simplify right side
    342,026,399.68x = 87,501,141,967,230,144
  5. Step 5: Solve for x
    x = 87,501,141,967,230,144/342,026,399.68
  6. Step 6: Final answer
    x = 255,831,544.14

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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.