Home / 268,496,605.49-370,521,594.54-151,022,015.28

Finding the Fourth Proportional to 268,496,605.49, 370,521,594.54 and 151,022,015.28

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Solution

The fourth proportional to 268,496,605.49, 370,521,594.54 and 151,022,015.28 is: 208,408,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,496,605.49 : 370,521,594.54 = 151,022,015.28 : x
  2. Step 2: Convert to fraction form
    268,496,605.49/370,521,594.54 = 151,022,015.28/x
  3. Step 3: Cross multiply
    268,496,605.49x = 370,521,594.54 × 151,022,015.28
  4. Step 4: Simplify right side
    268,496,605.49x = 55,956,917,912,189,848
  5. Step 5: Solve for x
    x = 55,956,917,912,189,848/268,496,605.49
  6. Step 6: Final answer
    x = 208,408,288.11

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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.