Home / 77,596,942.68-116,404,418.76-25,786,169.16

Finding the Fourth Proportional to 77,596,942.68, 116,404,418.76 and 25,786,169.16

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Solution

The fourth proportional to 77,596,942.68, 116,404,418.76 and 25,786,169.16 is: 38,682,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,596,942.68 : 116,404,418.76 = 25,786,169.16 : x
  2. Step 2: Convert to fraction form
    77,596,942.68/116,404,418.76 = 25,786,169.16/x
  3. Step 3: Cross multiply
    77,596,942.68x = 116,404,418.76 × 25,786,169.16
  4. Step 4: Simplify right side
    77,596,942.68x = 3,001,624,033,116,837.50
  5. Step 5: Solve for x
    x = 3,001,624,033,116,837.50/77,596,942.68
  6. Step 6: Final answer
    x = 38,682,246.10

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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.