Home / 263,426,113.64-394,986,005.73-99,676,519.81

Finding the Fourth Proportional to 263,426,113.64, 394,986,005.73 and 99,676,519.81

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Solution

The fourth proportional to 263,426,113.64, 394,986,005.73 and 99,676,519.81 is: 149,456,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,426,113.64 : 394,986,005.73 = 99,676,519.81 : x
  2. Step 2: Convert to fraction form
    263,426,113.64/394,986,005.73 = 99,676,519.81/x
  3. Step 3: Cross multiply
    263,426,113.64x = 394,986,005.73 × 99,676,519.81
  4. Step 4: Simplify right side
    263,426,113.64x = 39,370,830,424,819,120
  5. Step 5: Solve for x
    x = 39,370,830,424,819,120/263,426,113.64
  6. Step 6: Final answer
    x = 149,456,824.46

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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.