Home / 407,954,976.16-612,052,085.04-131,600,653.60

Finding the Fourth Proportional to 407,954,976.16, 612,052,085.04 and 131,600,653.60

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Solution

The fourth proportional to 407,954,976.16, 612,052,085.04 and 131,600,653.60 is: 197,439,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,954,976.16 : 612,052,085.04 = 131,600,653.60 : x
  2. Step 2: Convert to fraction form
    407,954,976.16/612,052,085.04 = 131,600,653.60/x
  3. Step 3: Cross multiply
    407,954,976.16x = 612,052,085.04 × 131,600,653.60
  4. Step 4: Simplify right side
    407,954,976.16x = 80,546,454,428,506,768
  5. Step 5: Solve for x
    x = 80,546,454,428,506,768/407,954,976.16
  6. Step 6: Final answer
    x = 197,439,568.42

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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.