Home / 57,492,247.88-79,340,505.56-31,387,865.96

Finding the Fourth Proportional to 57,492,247.88, 79,340,505.56 and 31,387,865.96

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Solution

The fourth proportional to 57,492,247.88, 79,340,505.56 and 31,387,865.96 is: 43,315,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492,247.88 : 79,340,505.56 = 31,387,865.96 : x
  2. Step 2: Convert to fraction form
    57,492,247.88/79,340,505.56 = 31,387,865.96/x
  3. Step 3: Cross multiply
    57,492,247.88x = 79,340,505.56 × 31,387,865.96
  4. Step 4: Simplify right side
    57,492,247.88x = 2,490,329,153,715,915
  5. Step 5: Solve for x
    x = 2,490,329,153,715,915/57,492,247.88
  6. Step 6: Final answer
    x = 43,315,912.07

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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.