Home / 57,370,861.50-79,171,790.70-31,616,749.50

Finding the Fourth Proportional to 57,370,861.50, 79,171,790.70 and 31,616,749.50

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Solution

The fourth proportional to 57,370,861.50, 79,171,790.70 and 31,616,749.50 is: 43,631,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370,861.50 : 79,171,790.70 = 31,616,749.50 : x
  2. Step 2: Convert to fraction form
    57,370,861.50/79,171,790.70 = 31,616,749.50/x
  3. Step 3: Cross multiply
    57,370,861.50x = 79,171,790.70 × 31,616,749.50
  4. Step 4: Simplify right side
    57,370,861.50x = 2,503,154,674,028,329.50
  5. Step 5: Solve for x
    x = 2,503,154,674,028,329.50/57,370,861.50
  6. Step 6: Final answer
    x = 43,631,115.32

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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.