Home / 149,461,249.59-206,073,280.61-122,906,804.94

Finding the Fourth Proportional to 149,461,249.59, 206,073,280.61 and 122,906,804.94

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Solution

The fourth proportional to 149,461,249.59, 206,073,280.61 and 122,906,804.94 is: 169,460,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,461,249.59 : 206,073,280.61 = 122,906,804.94 : x
  2. Step 2: Convert to fraction form
    149,461,249.59/206,073,280.61 = 122,906,804.94/x
  3. Step 3: Cross multiply
    149,461,249.59x = 206,073,280.61 × 122,906,804.94
  4. Step 4: Simplify right side
    149,461,249.59x = 25,327,808,502,664,620
  5. Step 5: Solve for x
    x = 25,327,808,502,664,620/149,461,249.59
  6. Step 6: Final answer
    x = 169,460,703.51

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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.