Home / 102,214,861.20-153,322,291.80-61,400,192.40

Finding the Fourth Proportional to 102,214,861.20, 153,322,291.80 and 61,400,192.40

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Solution

The fourth proportional to 102,214,861.20, 153,322,291.80 and 61,400,192.40 is: 92,100,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,214,861.20 : 153,322,291.80 = 61,400,192.40 : x
  2. Step 2: Convert to fraction form
    102,214,861.20/153,322,291.80 = 61,400,192.40/x
  3. Step 3: Cross multiply
    102,214,861.20x = 153,322,291.80 × 61,400,192.40
  4. Step 4: Simplify right side
    102,214,861.20x = 9,414,018,215,728,942
  5. Step 5: Solve for x
    x = 9,414,018,215,728,942/102,214,861.20
  6. Step 6: Final answer
    x = 92,100,288.60

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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.