Home / 57,632,988.18-79,533,285.91-31,171,371.56

Finding the Fourth Proportional to 57,632,988.18, 79,533,285.91 and 31,171,371.56

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Solution

The fourth proportional to 57,632,988.18, 79,533,285.91 and 31,171,371.56 is: 43,016,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632,988.18 : 79,533,285.91 = 31,171,371.56 : x
  2. Step 2: Convert to fraction form
    57,632,988.18/79,533,285.91 = 31,171,371.56/x
  3. Step 3: Cross multiply
    57,632,988.18x = 79,533,285.91 × 31,171,371.56
  4. Step 4: Simplify right side
    57,632,988.18x = 2,479,161,606,488,322.50
  5. Step 5: Solve for x
    x = 2,479,161,606,488,322.50/57,632,988.18
  6. Step 6: Final answer
    x = 43,016,364.15

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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.