Home / 342,026,399.64-471,983,786.52-185,390,143.60

Finding the Fourth Proportional to 342,026,399.64, 471,983,786.52 and 185,390,143.60

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Solution

The fourth proportional to 342,026,399.64, 471,983,786.52 and 185,390,143.60 is: 255,831,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,399.64 : 471,983,786.52 = 185,390,143.60 : x
  2. Step 2: Convert to fraction form
    342,026,399.64/471,983,786.52 = 185,390,143.60/x
  3. Step 3: Cross multiply
    342,026,399.64x = 471,983,786.52 × 185,390,143.60
  4. Step 4: Simplify right side
    342,026,399.64x = 87,501,141,959,814,544
  5. Step 5: Solve for x
    x = 87,501,141,959,814,544/342,026,399.64
  6. Step 6: Final answer
    x = 255,831,544.15

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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.