Home / 263,544,081.54-395,314,131.87-79,310,764.50

Finding the Fourth Proportional to 263,544,081.54, 395,314,131.87 and 79,310,764.50

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Solution

The fourth proportional to 263,544,081.54, 395,314,131.87 and 79,310,764.50 is: 118,965,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,544,081.54 : 395,314,131.87 = 79,310,764.50 : x
  2. Step 2: Convert to fraction form
    263,544,081.54/395,314,131.87 = 79,310,764.50/x
  3. Step 3: Cross multiply
    263,544,081.54x = 395,314,131.87 × 79,310,764.50
  4. Step 4: Simplify right side
    263,544,081.54x = 31,352,666,016,263,516
  5. Step 5: Solve for x
    x = 31,352,666,016,263,516/263,544,081.54
  6. Step 6: Final answer
    x = 118,965,547.75

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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.