Home / 66,991,722.40-100,487,583.60-32,979,498.40

Finding the Fourth Proportional to 66,991,722.40, 100,487,583.60 and 32,979,498.40

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Solution

The fourth proportional to 66,991,722.40, 100,487,583.60 and 32,979,498.40 is: 49,469,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,991,722.40 : 100,487,583.60 = 32,979,498.40 : x
  2. Step 2: Convert to fraction form
    66,991,722.40/100,487,583.60 = 32,979,498.40/x
  3. Step 3: Cross multiply
    66,991,722.40x = 100,487,583.60 × 32,979,498.40
  4. Step 4: Simplify right side
    66,991,722.40x = 3,314,030,102,556,066
  5. Step 5: Solve for x
    x = 3,314,030,102,556,066/66,991,722.40
  6. Step 6: Final answer
    x = 49,469,247.60

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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.