Home / 57,318,956-79,100,164.28-31,213,466

Finding the Fourth Proportional to 57,318,956, 79,100,164.28 and 31,213,466

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Solution

The fourth proportional to 57,318,956, 79,100,164.28 and 31,213,466 is: 43,074,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318,956 : 79,100,164.28 = 31,213,466 : x
  2. Step 2: Convert to fraction form
    57,318,956/79,100,164.28 = 31,213,466/x
  3. Step 3: Cross multiply
    57,318,956x = 79,100,164.28 × 31,213,466
  4. Step 4: Simplify right side
    57,318,956x = 2,468,990,288,348,194.50
  5. Step 5: Solve for x
    x = 2,468,990,288,348,194.50/57,318,956
  6. Step 6: Final answer
    x = 43,074,585.80

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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.