Home / 307,326,732.72-460,990,886.38-125,573,910.72

Finding the Fourth Proportional to 307,326,732.72, 460,990,886.38 and 125,573,910.72

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Solution

The fourth proportional to 307,326,732.72, 460,990,886.38 and 125,573,910.72 is: 188,361,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,326,732.72 : 460,990,886.38 = 125,573,910.72 : x
  2. Step 2: Convert to fraction form
    307,326,732.72/460,990,886.38 = 125,573,910.72/x
  3. Step 3: Cross multiply
    307,326,732.72x = 460,990,886.38 × 125,573,910.72
  4. Step 4: Simplify right side
    307,326,732.72x = 57,888,428,409,015,784
  5. Step 5: Solve for x
    x = 57,888,428,409,015,784/307,326,732.72
  6. Step 6: Final answer
    x = 188,361,187.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.