Home / 102,375,690.78-153,319,778.06-65,372,965.54

Finding the Fourth Proportional to 102,375,690.78, 153,319,778.06 and 65,372,965.54

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Solution

The fourth proportional to 102,375,690.78, 153,319,778.06 and 65,372,965.54 is: 97,903,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,375,690.78 : 153,319,778.06 = 65,372,965.54 : x
  2. Step 2: Convert to fraction form
    102,375,690.78/153,319,778.06 = 65,372,965.54/x
  3. Step 3: Cross multiply
    102,375,690.78x = 153,319,778.06 × 65,372,965.54
  4. Step 4: Simplify right side
    102,375,690.78x = 10,022,968,567,006,664
  5. Step 5: Solve for x
    x = 10,022,968,567,006,664/102,375,690.78
  6. Step 6: Final answer
    x = 97,903,794.26

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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.