Home / 72,422,102.30-99,945,129.36-41,488,250.30

Finding the Fourth Proportional to 72,422,102.30, 99,945,129.36 and 41,488,250.30

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Solution

The fourth proportional to 72,422,102.30, 99,945,129.36 and 41,488,250.30 is: 57,255,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,422,102.30 : 99,945,129.36 = 41,488,250.30 : x
  2. Step 2: Convert to fraction form
    72,422,102.30/99,945,129.36 = 41,488,250.30/x
  3. Step 3: Cross multiply
    72,422,102.30x = 99,945,129.36 × 41,488,250.30
  4. Step 4: Simplify right side
    72,422,102.30x = 4,146,548,543,153,558.50
  5. Step 5: Solve for x
    x = 4,146,548,543,153,558.50/72,422,102.30
  6. Step 6: Final answer
    x = 57,255,291.02

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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.