Home / 149,485,219.20-206,289,270.72-84,294,668.16

Finding the Fourth Proportional to 149,485,219.20, 206,289,270.72 and 84,294,668.16

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Solution

The fourth proportional to 149,485,219.20, 206,289,270.72 and 84,294,668.16 is: 116,326,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,485,219.20 : 206,289,270.72 = 84,294,668.16 : x
  2. Step 2: Convert to fraction form
    149,485,219.20/206,289,270.72 = 84,294,668.16/x
  3. Step 3: Cross multiply
    149,485,219.20x = 206,289,270.72 × 84,294,668.16
  4. Step 4: Simplify right side
    149,485,219.20x = 17,389,085,620,310,804
  5. Step 5: Solve for x
    x = 17,389,085,620,310,804/149,485,219.20
  6. Step 6: Final answer
    x = 116,326,454.97

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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.