Home / 209,313,430.92-313,946,229.78-55,971,445.32

Finding the Fourth Proportional to 209,313,430.92, 313,946,229.78 and 55,971,445.32

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Solution

The fourth proportional to 209,313,430.92, 313,946,229.78 and 55,971,445.32 is: 83,950,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,313,430.92 : 313,946,229.78 = 55,971,445.32 : x
  2. Step 2: Convert to fraction form
    209,313,430.92/313,946,229.78 = 55,971,445.32/x
  3. Step 3: Cross multiply
    209,313,430.92x = 313,946,229.78 × 55,971,445.32
  4. Step 4: Simplify right side
    209,313,430.92x = 17,572,024,233,551,424
  5. Step 5: Solve for x
    x = 17,572,024,233,551,424/209,313,430.92
  6. Step 6: Final answer
    x = 83,950,772.56

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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.