Home / 57,643,702.30-79,548,215.97-31,538,325.34

Finding the Fourth Proportional to 57,643,702.30, 79,548,215.97 and 31,538,325.34

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Solution

The fourth proportional to 57,643,702.30, 79,548,215.97 and 31,538,325.34 is: 43,522,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,643,702.30 : 79,548,215.97 = 31,538,325.34 : x
  2. Step 2: Convert to fraction form
    57,643,702.30/79,548,215.97 = 31,538,325.34/x
  3. Step 3: Cross multiply
    57,643,702.30x = 79,548,215.97 × 31,538,325.34
  4. Step 4: Simplify right side
    57,643,702.30x = 2,508,817,515,478,443.50
  5. Step 5: Solve for x
    x = 2,508,817,515,478,443.50/57,643,702.30
  6. Step 6: Final answer
    x = 43,522,837.97

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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.