Home / 199,326,768.46-299,004,518.61-76,505,085.87

Finding the Fourth Proportional to 199,326,768.46, 299,004,518.61 and 76,505,085.87

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Solution

The fourth proportional to 199,326,768.46, 299,004,518.61 and 76,505,085.87 is: 114,763,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326,768.46 : 299,004,518.61 = 76,505,085.87 : x
  2. Step 2: Convert to fraction form
    199,326,768.46/299,004,518.61 = 76,505,085.87/x
  3. Step 3: Cross multiply
    199,326,768.46x = 299,004,518.61 × 76,505,085.87
  4. Step 4: Simplify right side
    199,326,768.46x = 22,875,366,370,654,796
  5. Step 5: Solve for x
    x = 22,875,366,370,654,796/199,326,768.46
  6. Step 6: Final answer
    x = 114,763,142.69

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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.