Home / 209,313,431.92-313,946,231.28-55,971,446.32

Finding the Fourth Proportional to 209,313,431.92, 313,946,231.28 and 55,971,446.32

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Solution

The fourth proportional to 209,313,431.92, 313,946,231.28 and 55,971,446.32 is: 83,950,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,313,431.92 : 313,946,231.28 = 55,971,446.32 : x
  2. Step 2: Convert to fraction form
    209,313,431.92/313,946,231.28 = 55,971,446.32/x
  3. Step 3: Cross multiply
    209,313,431.92x = 313,946,231.28 × 55,971,446.32
  4. Step 4: Simplify right side
    209,313,431.92x = 17,572,024,631,454,824
  5. Step 5: Solve for x
    x = 17,572,024,631,454,824/209,313,431.92
  6. Step 6: Final answer
    x = 83,950,774.06

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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.