Home / 263,426,114.64-394,986,007.23-99,676,520.81

Finding the Fourth Proportional to 263,426,114.64, 394,986,007.23 and 99,676,520.81

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Solution

The fourth proportional to 263,426,114.64, 394,986,007.23 and 99,676,520.81 is: 149,456,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,426,114.64 : 394,986,007.23 = 99,676,520.81 : x
  2. Step 2: Convert to fraction form
    263,426,114.64/394,986,007.23 = 99,676,520.81/x
  3. Step 3: Cross multiply
    263,426,114.64x = 394,986,007.23 × 99,676,520.81
  4. Step 4: Simplify right side
    263,426,114.64x = 39,370,830,969,319,912
  5. Step 5: Solve for x
    x = 39,370,830,969,319,912/263,426,114.64
  6. Step 6: Final answer
    x = 149,456,825.96

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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.