Home / 263,830,970.88-395,749,321.29-79,600,097.45

Finding the Fourth Proportional to 263,830,970.88, 395,749,321.29 and 79,600,097.45

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Solution

The fourth proportional to 263,830,970.88, 395,749,321.29 and 79,600,097.45 is: 119,401,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,830,970.88 : 395,749,321.29 = 79,600,097.45 : x
  2. Step 2: Convert to fraction form
    263,830,970.88/395,749,321.29 = 79,600,097.45/x
  3. Step 3: Cross multiply
    263,830,970.88x = 395,749,321.29 × 79,600,097.45
  4. Step 4: Simplify right side
    263,830,970.88x = 31,501,684,541,444,736
  5. Step 5: Solve for x
    x = 31,501,684,541,444,736/263,830,970.88
  6. Step 6: Final answer
    x = 119,401,010.57

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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.