Home / 53,245,317.37-79,876,805.33-18,692,751.01

Finding the Fourth Proportional to 53,245,317.37, 79,876,805.33 and 18,692,751.01

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Solution

The fourth proportional to 53,245,317.37, 79,876,805.33 and 18,692,751.01 is: 28,042,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245,317.37 : 79,876,805.33 = 18,692,751.01 : x
  2. Step 2: Convert to fraction form
    53,245,317.37/79,876,805.33 = 18,692,751.01/x
  3. Step 3: Cross multiply
    53,245,317.37x = 79,876,805.33 × 18,692,751.01
  4. Step 4: Simplify right side
    53,245,317.37x = 1,493,117,233,507,931
  5. Step 5: Solve for x
    x = 1,493,117,233,507,931/53,245,317.37
  6. Step 6: Final answer
    x = 28,042,226.19

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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.