Home / 221,486,873.88-332,301,284.68-155,082,472.40

Finding the Fourth Proportional to 221,486,873.88, 332,301,284.68 and 155,082,472.40

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Solution

The fourth proportional to 221,486,873.88, 332,301,284.68 and 155,082,472.40 is: 232,673,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,486,873.88 : 332,301,284.68 = 155,082,472.40 : x
  2. Step 2: Convert to fraction form
    221,486,873.88/332,301,284.68 = 155,082,472.40/x
  3. Step 3: Cross multiply
    221,486,873.88x = 332,301,284.68 × 155,082,472.40
  4. Step 4: Simplify right side
    221,486,873.88x = 51,534,104,809,870,648
  5. Step 5: Solve for x
    x = 51,534,104,809,870,648/221,486,873.88
  6. Step 6: Final answer
    x = 232,673,403.65

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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.