Home / 117,530,469.80-176,295,704.70-81,698,661.80

Finding the Fourth Proportional to 117,530,469.80, 176,295,704.70 and 81,698,661.80

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Solution

The fourth proportional to 117,530,469.80, 176,295,704.70 and 81,698,661.80 is: 122,547,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,530,469.80 : 176,295,704.70 = 81,698,661.80 : x
  2. Step 2: Convert to fraction form
    117,530,469.80/176,295,704.70 = 81,698,661.80/x
  3. Step 3: Cross multiply
    117,530,469.80x = 176,295,704.70 × 81,698,661.80
  4. Step 4: Simplify right side
    117,530,469.80x = 14,403,123,155,077,968
  5. Step 5: Solve for x
    x = 14,403,123,155,077,968/117,530,469.80
  6. Step 6: Final answer
    x = 122,547,992.70

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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.