Home / 119,140,021.60-178,752,022.80-114,940,981.60

Finding the Fourth Proportional to 119,140,021.60, 178,752,022.80 and 114,940,981.60

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Solution

The fourth proportional to 119,140,021.60, 178,752,022.80 and 114,940,981.60 is: 172,451,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,140,021.60 : 178,752,022.80 = 114,940,981.60 : x
  2. Step 2: Convert to fraction form
    119,140,021.60/178,752,022.80 = 114,940,981.60/x
  3. Step 3: Cross multiply
    119,140,021.60x = 178,752,022.80 × 114,940,981.60
  4. Step 4: Simplify right side
    119,140,021.60x = 20,545,932,963,617,580
  5. Step 5: Solve for x
    x = 20,545,932,963,617,580/119,140,021.60
  6. Step 6: Final answer
    x = 172,451,982.87

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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.