Home / 255,743,998.40-383,615,997.60-146,568,958.40

Finding the Fourth Proportional to 255,743,998.40, 383,615,997.60 and 146,568,958.40

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Solution

The fourth proportional to 255,743,998.40, 383,615,997.60 and 146,568,958.40 is: 219,853,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,743,998.40 : 383,615,997.60 = 146,568,958.40 : x
  2. Step 2: Convert to fraction form
    255,743,998.40/383,615,997.60 = 146,568,958.40/x
  3. Step 3: Cross multiply
    255,743,998.40x = 383,615,997.60 × 146,568,958.40
  4. Step 4: Simplify right side
    255,743,998.40x = 56,226,197,193,808,904
  5. Step 5: Solve for x
    x = 56,226,197,193,808,904/255,743,998.40
  6. Step 6: Final answer
    x = 219,853,437.60

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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.