Home / 57,031,272.20-85,483,922.70-31,490,611.40

Finding the Fourth Proportional to 57,031,272.20, 85,483,922.70 and 31,490,611.40

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Solution

The fourth proportional to 57,031,272.20, 85,483,922.70 and 31,490,611.40 is: 47,201,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031,272.20 : 85,483,922.70 = 31,490,611.40 : x
  2. Step 2: Convert to fraction form
    57,031,272.20/85,483,922.70 = 31,490,611.40/x
  3. Step 3: Cross multiply
    57,031,272.20x = 85,483,922.70 × 31,490,611.40
  4. Step 4: Simplify right side
    57,031,272.20x = 2,691,940,990,693,338.50
  5. Step 5: Solve for x
    x = 2,691,940,990,693,338.50/57,031,272.20
  6. Step 6: Final answer
    x = 47,201,138.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.