Home / 66,416,272.80-99,624,409.20-43,722,794.40

Finding the Fourth Proportional to 66,416,272.80, 99,624,409.20 and 43,722,794.40

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Solution

The fourth proportional to 66,416,272.80, 99,624,409.20 and 43,722,794.40 is: 65,584,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416,272.80 : 99,624,409.20 = 43,722,794.40 : x
  2. Step 2: Convert to fraction form
    66,416,272.80/99,624,409.20 = 43,722,794.40/x
  3. Step 3: Cross multiply
    66,416,272.80x = 99,624,409.20 × 43,722,794.40
  4. Step 4: Simplify right side
    66,416,272.80x = 4,355,857,560,673,068.50
  5. Step 5: Solve for x
    x = 4,355,857,560,673,068.50/66,416,272.80
  6. Step 6: Final answer
    x = 65,584,191.60

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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.