Home / 262,422,719.42-393,644,837.01-90,018,096.62

Finding the Fourth Proportional to 262,422,719.42, 393,644,837.01 and 90,018,096.62

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Solution

The fourth proportional to 262,422,719.42, 393,644,837.01 and 90,018,096.62 is: 135,030,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,422,719.42 : 393,644,837.01 = 90,018,096.62 : x
  2. Step 2: Convert to fraction form
    262,422,719.42/393,644,837.01 = 90,018,096.62/x
  3. Step 3: Cross multiply
    262,422,719.42x = 393,644,837.01 × 90,018,096.62
  4. Step 4: Simplify right side
    262,422,719.42x = 35,435,158,971,930,332
  5. Step 5: Solve for x
    x = 35,435,158,971,930,332/262,422,719.42
  6. Step 6: Final answer
    x = 135,030,835.17

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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.