Home / 101,738,999.56-140,398,485.98-55,328,264.32

Finding the Fourth Proportional to 101,738,999.56, 140,398,485.98 and 55,328,264.32

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Solution

The fourth proportional to 101,738,999.56, 140,398,485.98 and 55,328,264.32 is: 76,352,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,738,999.56 : 140,398,485.98 = 55,328,264.32 : x
  2. Step 2: Convert to fraction form
    101,738,999.56/140,398,485.98 = 55,328,264.32/x
  3. Step 3: Cross multiply
    101,738,999.56x = 140,398,485.98 × 55,328,264.32
  4. Step 4: Simplify right side
    101,738,999.56x = 7,768,004,542,429,254
  5. Step 5: Solve for x
    x = 7,768,004,542,429,254/101,738,999.56
  6. Step 6: Final answer
    x = 76,352,279.62

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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.