Home / 215,012,990.07-296,743,116.60-122,207,448.24

Finding the Fourth Proportional to 215,012,990.07, 296,743,116.60 and 122,207,448.24

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Solution

The fourth proportional to 215,012,990.07, 296,743,116.60 and 122,207,448.24 is: 168,660,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,012,990.07 : 296,743,116.60 = 122,207,448.24 : x
  2. Step 2: Convert to fraction form
    215,012,990.07/296,743,116.60 = 122,207,448.24/x
  3. Step 3: Cross multiply
    215,012,990.07x = 296,743,116.60 × 122,207,448.24
  4. Step 4: Simplify right side
    215,012,990.07x = 36,264,219,062,470,784
  5. Step 5: Solve for x
    x = 36,264,219,062,470,784/215,012,990.07
  6. Step 6: Final answer
    x = 168,660,596.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.