Home / 263,811,812.27-395,721,086.15-69,721,550.55

Finding the Fourth Proportional to 263,811,812.27, 395,721,086.15 and 69,721,550.55

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Solution

The fourth proportional to 263,811,812.27, 395,721,086.15 and 69,721,550.55 is: 104,583,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,811,812.27 : 395,721,086.15 = 69,721,550.55 : x
  2. Step 2: Convert to fraction form
    263,811,812.27/395,721,086.15 = 69,721,550.55/x
  3. Step 3: Cross multiply
    263,811,812.27x = 395,721,086.15 × 69,721,550.55
  4. Step 4: Simplify right side
    263,811,812.27x = 27,590,287,710,893,128
  5. Step 5: Solve for x
    x = 27,590,287,710,893,128/263,811,812.27
  6. Step 6: Final answer
    x = 104,583,215.87

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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.