Home / 57,378,729.72-79,184,306.52-31,274,938.29

Finding the Fourth Proportional to 57,378,729.72, 79,184,306.52 and 31,274,938.29

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Solution

The fourth proportional to 57,378,729.72, 79,184,306.52 and 31,274,938.29 is: 43,160,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378,729.72 : 79,184,306.52 = 31,274,938.29 : x
  2. Step 2: Convert to fraction form
    57,378,729.72/79,184,306.52 = 31,274,938.29/x
  3. Step 3: Cross multiply
    57,378,729.72x = 79,184,306.52 × 31,274,938.29
  4. Step 4: Simplify right side
    57,378,729.72x = 2,476,484,299,949,444.50
  5. Step 5: Solve for x
    x = 2,476,484,299,949,444.50/57,378,729.72
  6. Step 6: Final answer
    x = 43,160,319.37

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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.