Home / 228,387,108.09-342,299,785.71-90,073,879.77

Finding the Fourth Proportional to 228,387,108.09, 342,299,785.71 and 90,073,879.77

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Solution

The fourth proportional to 228,387,108.09, 342,299,785.71 and 90,073,879.77 is: 135,000,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,387,108.09 : 342,299,785.71 = 90,073,879.77 : x
  2. Step 2: Convert to fraction form
    228,387,108.09/342,299,785.71 = 90,073,879.77/x
  3. Step 3: Cross multiply
    228,387,108.09x = 342,299,785.71 × 90,073,879.77
  4. Step 4: Simplify right side
    228,387,108.09x = 30,832,269,743,339,300
  5. Step 5: Solve for x
    x = 30,832,269,743,339,300/228,387,108.09
  6. Step 6: Final answer
    x = 135,000,044.45

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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.