Home / 145,550,810.27-200,858,594.80-79,471,103.73

Finding the Fourth Proportional to 145,550,810.27, 200,858,594.80 and 79,471,103.73

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Solution

The fourth proportional to 145,550,810.27, 200,858,594.80 and 79,471,103.73 is: 109,669,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550,810.27 : 200,858,594.80 = 79,471,103.73 : x
  2. Step 2: Convert to fraction form
    145,550,810.27/200,858,594.80 = 79,471,103.73/x
  3. Step 3: Cross multiply
    145,550,810.27x = 200,858,594.80 × 79,471,103.73
  4. Step 4: Simplify right side
    145,550,810.27x = 15,962,454,222,412,840
  5. Step 5: Solve for x
    x = 15,962,454,222,412,840/145,550,810.27
  6. Step 6: Final answer
    x = 109,669,291.38

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1.5x scale

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.