Home / 125,616,005.20-188,424,007.80-116,546,078.80

Finding the Fourth Proportional to 125,616,005.20, 188,424,007.80 and 116,546,078.80

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Solution

The fourth proportional to 125,616,005.20, 188,424,007.80 and 116,546,078.80 is: 174,819,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616,005.20 : 188,424,007.80 = 116,546,078.80 : x
  2. Step 2: Convert to fraction form
    125,616,005.20/188,424,007.80 = 116,546,078.80/x
  3. Step 3: Cross multiply
    125,616,005.20x = 188,424,007.80 × 116,546,078.80
  4. Step 4: Simplify right side
    125,616,005.20x = 21,960,079,260,870,616
  5. Step 5: Solve for x
    x = 21,960,079,260,870,616/125,616,005.20
  6. Step 6: Final answer
    x = 174,819,118.20

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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.