Home / 65,824,639-98,800,643.46-31,769,958.04

Finding the Fourth Proportional to 65,824,639, 98,800,643.46 and 31,769,958.04

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Solution

The fourth proportional to 65,824,639, 98,800,643.46 and 31,769,958.04 is: 47,685,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,824,639 : 98,800,643.46 = 31,769,958.04 : x
  2. Step 2: Convert to fraction form
    65,824,639/98,800,643.46 = 31,769,958.04/x
  3. Step 3: Cross multiply
    65,824,639x = 98,800,643.46 × 31,769,958.04
  4. Step 4: Simplify right side
    65,824,639x = 3,138,892,297,049,200
  5. Step 5: Solve for x
    x = 3,138,892,297,049,200/65,824,639
  6. Step 6: Final answer
    x = 47,685,674.31

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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.