Home / 149,590,668.13-206,490,208.48-90,054,731.48

Finding the Fourth Proportional to 149,590,668.13, 206,490,208.48 and 90,054,731.48

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Solution

The fourth proportional to 149,590,668.13, 206,490,208.48 and 90,054,731.48 is: 124,308,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,590,668.13 : 206,490,208.48 = 90,054,731.48 : x
  2. Step 2: Convert to fraction form
    149,590,668.13/206,490,208.48 = 90,054,731.48/x
  3. Step 3: Cross multiply
    149,590,668.13x = 206,490,208.48 × 90,054,731.48
  4. Step 4: Simplify right side
    149,590,668.13x = 18,595,420,277,915,620
  5. Step 5: Solve for x
    x = 18,595,420,277,915,620/149,590,668.13
  6. Step 6: Final answer
    x = 124,308,691.91

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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.