Home / 78,585,400.10-117,895,771.12-23,993,418.62

Finding the Fourth Proportional to 78,585,400.10, 117,895,771.12 and 23,993,418.62

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Solution

The fourth proportional to 78,585,400.10, 117,895,771.12 and 23,993,418.62 is: 35,995,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,585,400.10 : 117,895,771.12 = 23,993,418.62 : x
  2. Step 2: Convert to fraction form
    78,585,400.10/117,895,771.12 = 23,993,418.62/x
  3. Step 3: Cross multiply
    78,585,400.10x = 117,895,771.12 × 23,993,418.62
  4. Step 4: Simplify right side
    78,585,400.10x = 2,828,722,590,009,866.50
  5. Step 5: Solve for x
    x = 2,828,722,590,009,866.50/78,585,400.10
  6. Step 6: Final answer
    x = 35,995,523.17

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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.