Home / 262,268,953.34-393,398,028.61-87,404,683.73

Finding the Fourth Proportional to 262,268,953.34, 393,398,028.61 and 87,404,683.73

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Solution

The fourth proportional to 262,268,953.34, 393,398,028.61 and 87,404,683.73 is: 131,105,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,268,953.34 : 393,398,028.61 = 87,404,683.73 : x
  2. Step 2: Convert to fraction form
    262,268,953.34/393,398,028.61 = 87,404,683.73/x
  3. Step 3: Cross multiply
    262,268,953.34x = 393,398,028.61 × 87,404,683.73
  4. Step 4: Simplify right side
    262,268,953.34x = 34,384,830,268,477,040
  5. Step 5: Solve for x
    x = 34,384,830,268,477,040/262,268,953.34
  6. Step 6: Final answer
    x = 131,105,225.50

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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.