Home / 111,115,893.96-166,638,514.05-103,861,830.93

Finding the Fourth Proportional to 111,115,893.96, 166,638,514.05 and 103,861,830.93

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Solution

The fourth proportional to 111,115,893.96, 166,638,514.05 and 103,861,830.93 is: 155,759,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,115,893.96 : 166,638,514.05 = 103,861,830.93 : x
  2. Step 2: Convert to fraction form
    111,115,893.96/166,638,514.05 = 103,861,830.93/x
  3. Step 3: Cross multiply
    111,115,893.96x = 166,638,514.05 × 103,861,830.93
  4. Step 4: Simplify right side
    111,115,893.96x = 17,307,381,172,452,118
  5. Step 5: Solve for x
    x = 17,307,381,172,452,118/111,115,893.96
  6. Step 6: Final answer
    x = 155,759,725.77

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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.