Home / 336,986,601.40-505,479,902.10-81,684,969.40

Finding the Fourth Proportional to 336,986,601.40, 505,479,902.10 and 81,684,969.40

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Solution

The fourth proportional to 336,986,601.40, 505,479,902.10 and 81,684,969.40 is: 122,527,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,986,601.40 : 505,479,902.10 = 81,684,969.40 : x
  2. Step 2: Convert to fraction form
    336,986,601.40/505,479,902.10 = 81,684,969.40/x
  3. Step 3: Cross multiply
    336,986,601.40x = 505,479,902.10 × 81,684,969.40
  4. Step 4: Simplify right side
    336,986,601.40x = 41,290,110,335,353,504
  5. Step 5: Solve for x
    x = 41,290,110,335,353,504/336,986,601.40
  6. Step 6: Final answer
    x = 122,527,454.10

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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.