Home / 255,431,318.40-383,109,652.80-73,659,542.40

Finding the Fourth Proportional to 255,431,318.40, 383,109,652.80 and 73,659,542.40

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Solution

The fourth proportional to 255,431,318.40, 383,109,652.80 and 73,659,542.40 is: 110,478,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,431,318.40 : 383,109,652.80 = 73,659,542.40 : x
  2. Step 2: Convert to fraction form
    255,431,318.40/383,109,652.80 = 73,659,542.40/x
  3. Step 3: Cross multiply
    255,431,318.40x = 383,109,652.80 × 73,659,542.40
  4. Step 4: Simplify right side
    255,431,318.40x = 28,219,681,714,270,880
  5. Step 5: Solve for x
    x = 28,219,681,714,270,880/255,431,318.40
  6. Step 6: Final answer
    x = 110,478,550.13

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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.