Home / 53,242,011.56-79,652,889-40,325,379.05

Finding the Fourth Proportional to 53,242,011.56, 79,652,889 and 40,325,379.05

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Solution

The fourth proportional to 53,242,011.56, 79,652,889 and 40,325,379.05 is: 60,328,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242,011.56 : 79,652,889 = 40,325,379.05 : x
  2. Step 2: Convert to fraction form
    53,242,011.56/79,652,889 = 40,325,379.05/x
  3. Step 3: Cross multiply
    53,242,011.56x = 79,652,889 × 40,325,379.05
  4. Step 4: Simplify right side
    53,242,011.56x = 3,212,032,940,954,311
  5. Step 5: Solve for x
    x = 3,212,032,940,954,311/53,242,011.56
  6. Step 6: Final answer
    x = 60,328,917.84

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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.