Home / 71,296,746,786.40-106,945,120,179.60-65,909,210,504.80

Finding the Fourth Proportional to 71,296,746,786.40, 106,945,120,179.60 and 65,909,210,504.80

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Solution

The fourth proportional to 71,296,746,786.40, 106,945,120,179.60 and 65,909,210,504.80 is: 98,863,815,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,296,746,786.40 : 106,945,120,179.60 = 65,909,210,504.80 : x
  2. Step 2: Convert to fraction form
    71,296,746,786.40/106,945,120,179.60 = 65,909,210,504.80/x
  3. Step 3: Cross multiply
    71,296,746,786.40x = 106,945,120,179.60 × 65,909,210,504.80
  4. Step 4: Simplify right side
    71,296,746,786.40x = 7,048,668,438,378,391,273,472
  5. Step 5: Solve for x
    x = 7,048,668,438,378,391,273,472/71,296,746,786.40
  6. Step 6: Final answer
    x = 98,863,815,757.20

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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.