Home / 57,440,588.78-79,268,012.61-31,335,211.94

Finding the Fourth Proportional to 57,440,588.78, 79,268,012.61 and 31,335,211.94

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Solution

The fourth proportional to 57,440,588.78, 79,268,012.61 and 31,335,211.94 is: 43,242,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,440,588.78 : 79,268,012.61 = 31,335,211.94 : x
  2. Step 2: Convert to fraction form
    57,440,588.78/79,268,012.61 = 31,335,211.94/x
  3. Step 3: Cross multiply
    57,440,588.78x = 79,268,012.61 × 31,335,211.94
  4. Step 4: Simplify right side
    57,440,588.78x = 2,483,879,975,196,942.50
  5. Step 5: Solve for x
    x = 2,483,879,975,196,942.50/57,440,588.78
  6. Step 6: Final answer
    x = 43,242,592.53

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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.