Home / 72,422,112.69-99,945,143.66-41,488,260.68

Finding the Fourth Proportional to 72,422,112.69, 99,945,143.66 and 41,488,260.68

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Solution

The fourth proportional to 72,422,112.69, 99,945,143.66 and 41,488,260.68 is: 57,255,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,422,112.69 : 99,945,143.66 = 41,488,260.68 : x
  2. Step 2: Convert to fraction form
    72,422,112.69/99,945,143.66 = 41,488,260.68/x
  3. Step 3: Cross multiply
    72,422,112.69x = 99,945,143.66 × 41,488,260.68
  4. Step 4: Simplify right side
    72,422,112.69x = 4,146,550,174,219,712.50
  5. Step 5: Solve for x
    x = 4,146,550,174,219,712.50/72,422,112.69
  6. Step 6: Final answer
    x = 57,255,305.32

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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.