Home / 262,424,053.74-393,646,839.57-90,019,428.78

Finding the Fourth Proportional to 262,424,053.74, 393,646,839.57 and 90,019,428.78

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Solution

The fourth proportional to 262,424,053.74, 393,646,839.57 and 90,019,428.78 is: 135,032,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,424,053.74 : 393,646,839.57 = 90,019,428.78 : x
  2. Step 2: Convert to fraction form
    262,424,053.74/393,646,839.57 = 90,019,428.78/x
  3. Step 3: Cross multiply
    262,424,053.74x = 393,646,839.57 × 90,019,428.78
  4. Step 4: Simplify right side
    262,424,053.74x = 35,435,863,639,143,700
  5. Step 5: Solve for x
    x = 35,435,863,639,143,700/262,424,053.74
  6. Step 6: Final answer
    x = 135,032,833.82

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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.