Home / 371,117,355.92-512,111,459.40-203,844,972.56

Finding the Fourth Proportional to 371,117,355.92, 512,111,459.40 and 203,844,972.56

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Solution

The fourth proportional to 371,117,355.92, 512,111,459.40 and 203,844,972.56 is: 281,289,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,117,355.92 : 512,111,459.40 = 203,844,972.56 : x
  2. Step 2: Convert to fraction form
    371,117,355.92/512,111,459.40 = 203,844,972.56/x
  3. Step 3: Cross multiply
    371,117,355.92x = 512,111,459.40 × 203,844,972.56
  4. Step 4: Simplify right side
    371,117,355.92x = 104,391,346,389,054,544
  5. Step 5: Solve for x
    x = 104,391,346,389,054,544/371,117,355.92
  6. Step 6: Final answer
    x = 281,289,313.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.