Home / 101,495,377.12-140,063,758.68-55,085,631.64

Finding the Fourth Proportional to 101,495,377.12, 140,063,758.68 and 55,085,631.64

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Solution

The fourth proportional to 101,495,377.12, 140,063,758.68 and 55,085,631.64 is: 76,018,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,377.12 : 140,063,758.68 = 55,085,631.64 : x
  2. Step 2: Convert to fraction form
    101,495,377.12/140,063,758.68 = 55,085,631.64/x
  3. Step 3: Cross multiply
    101,495,377.12x = 140,063,758.68 × 55,085,631.64
  4. Step 4: Simplify right side
    101,495,377.12x = 7,715,500,616,760,333
  5. Step 5: Solve for x
    x = 7,715,500,616,760,333/101,495,377.12
  6. Step 6: Final answer
    x = 76,018,246.70

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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.