Home / 57,531,419.56-79,393,355.94-31,069,771.16

Finding the Fourth Proportional to 57,531,419.56, 79,393,355.94 and 31,069,771.16

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Solution

The fourth proportional to 57,531,419.56, 79,393,355.94 and 31,069,771.16 is: 42,876,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,531,419.56 : 79,393,355.94 = 31,069,771.16 : x
  2. Step 2: Convert to fraction form
    57,531,419.56/79,393,355.94 = 31,069,771.16/x
  3. Step 3: Cross multiply
    57,531,419.56x = 79,393,355.94 × 31,069,771.16
  4. Step 4: Simplify right side
    57,531,419.56x = 2,466,733,400,680,226.50
  5. Step 5: Solve for x
    x = 2,466,733,400,680,226.50/57,531,419.56
  6. Step 6: Final answer
    x = 42,876,282.55

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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.