Home / 57,550,979.33-79,421,420.25-31,447,187.90

Finding the Fourth Proportional to 57,550,979.33, 79,421,420.25 and 31,447,187.90

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Solution

The fourth proportional to 57,550,979.33, 79,421,420.25 and 31,447,187.90 is: 43,397,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550,979.33 : 79,421,420.25 = 31,447,187.90 : x
  2. Step 2: Convert to fraction form
    57,550,979.33/79,421,420.25 = 31,447,187.90/x
  3. Step 3: Cross multiply
    57,550,979.33x = 79,421,420.25 × 31,447,187.90
  4. Step 4: Simplify right side
    57,550,979.33x = 2,497,580,325,886,615
  5. Step 5: Solve for x
    x = 2,497,580,325,886,615/57,550,979.33
  6. Step 6: Final answer
    x = 43,397,703.31

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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.