Home / 270,185,478.82-405,284,853.33-76,095,580.84

Finding the Fourth Proportional to 270,185,478.82, 405,284,853.33 and 76,095,580.84

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Solution

The fourth proportional to 270,185,478.82, 405,284,853.33 and 76,095,580.84 is: 114,145,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,185,478.82 : 405,284,853.33 = 76,095,580.84 : x
  2. Step 2: Convert to fraction form
    270,185,478.82/405,284,853.33 = 76,095,580.84/x
  3. Step 3: Cross multiply
    270,185,478.82x = 405,284,853.33 × 76,095,580.84
  4. Step 4: Simplify right side
    270,185,478.82x = 30,840,386,319,800,560
  5. Step 5: Solve for x
    x = 30,840,386,319,800,560/270,185,478.82
  6. Step 6: Final answer
    x = 114,145,239.98

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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.