Home / 57,654,618.39-79,563,370.86-31,549,138.38

Finding the Fourth Proportional to 57,654,618.39, 79,563,370.86 and 31,549,138.38

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Solution

The fourth proportional to 57,654,618.39, 79,563,370.86 and 31,549,138.38 is: 43,537,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,654,618.39 : 79,563,370.86 = 31,549,138.38 : x
  2. Step 2: Convert to fraction form
    57,654,618.39/79,563,370.86 = 31,549,138.38/x
  3. Step 3: Cross multiply
    57,654,618.39x = 79,563,370.86 × 31,549,138.38
  4. Step 4: Simplify right side
    57,654,618.39x = 2,510,155,797,241,399.50
  5. Step 5: Solve for x
    x = 2,510,155,797,241,399.50/57,654,618.39
  6. Step 6: Final answer
    x = 43,537,809.59

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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.