Home / 102,668,879.69-154,003,582.07-25,991,916.11

Finding the Fourth Proportional to 102,668,879.69, 154,003,582.07 and 25,991,916.11

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Solution

The fourth proportional to 102,668,879.69, 154,003,582.07 and 25,991,916.11 is: 38,987,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,668,879.69 : 154,003,582.07 = 25,991,916.11 : x
  2. Step 2: Convert to fraction form
    102,668,879.69/154,003,582.07 = 25,991,916.11/x
  3. Step 3: Cross multiply
    102,668,879.69x = 154,003,582.07 × 25,991,916.11
  4. Step 4: Simplify right side
    102,668,879.69x = 4,002,848,185,672,980.50
  5. Step 5: Solve for x
    x = 4,002,848,185,672,980.50/102,668,879.69
  6. Step 6: Final answer
    x = 38,987,940.63

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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.