Home / 57,894,478.88-79,894,381.26-31,788,996.70

Finding the Fourth Proportional to 57,894,478.88, 79,894,381.26 and 31,788,996.70

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Solution

The fourth proportional to 57,894,478.88, 79,894,381.26 and 31,788,996.70 is: 43,868,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,894,478.88 : 79,894,381.26 = 31,788,996.70 : x
  2. Step 2: Convert to fraction form
    57,894,478.88/79,894,381.26 = 31,788,996.70/x
  3. Step 3: Cross multiply
    57,894,478.88x = 79,894,381.26 × 31,788,996.70
  4. Step 4: Simplify right side
    57,894,478.88x = 2,539,762,222,222,682
  5. Step 5: Solve for x
    x = 2,539,762,222,222,682/57,894,478.88
  6. Step 6: Final answer
    x = 43,868,815.67

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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.