Home / 149,590,669.13-206,490,209.86-90,054,732.48

Finding the Fourth Proportional to 149,590,669.13, 206,490,209.86 and 90,054,732.48

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Solution

The fourth proportional to 149,590,669.13, 206,490,209.86 and 90,054,732.48 is: 124,308,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,590,669.13 : 206,490,209.86 = 90,054,732.48 : x
  2. Step 2: Convert to fraction form
    149,590,669.13/206,490,209.86 = 90,054,732.48/x
  3. Step 3: Cross multiply
    149,590,669.13x = 206,490,209.86 × 90,054,732.48
  4. Step 4: Simplify right side
    149,590,669.13x = 18,595,420,608,681,360
  5. Step 5: Solve for x
    x = 18,595,420,608,681,360/149,590,669.13
  6. Step 6: Final answer
    x = 124,308,693.30

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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.