Home / 117,211,002.40-175,816,503.60-80,931,296.80

Finding the Fourth Proportional to 117,211,002.40, 175,816,503.60 and 80,931,296.80

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Solution

The fourth proportional to 117,211,002.40, 175,816,503.60 and 80,931,296.80 is: 121,396,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,211,002.40 : 175,816,503.60 = 80,931,296.80 : x
  2. Step 2: Convert to fraction form
    117,211,002.40/175,816,503.60 = 80,931,296.80/x
  3. Step 3: Cross multiply
    117,211,002.40x = 175,816,503.60 × 80,931,296.80
  4. Step 4: Simplify right side
    117,211,002.40x = 14,229,057,635,189,868
  5. Step 5: Solve for x
    x = 14,229,057,635,189,868/117,211,002.40
  6. Step 6: Final answer
    x = 121,396,945.20

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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.