Home / 221,300,960.40-331,668,005.40-169,928,330.40

Finding the Fourth Proportional to 221,300,960.40, 331,668,005.40 and 169,928,330.40

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Solution

The fourth proportional to 221,300,960.40, 331,668,005.40 and 169,928,330.40 is: 254,674,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,300,960.40 : 331,668,005.40 = 169,928,330.40 : x
  2. Step 2: Convert to fraction form
    221,300,960.40/331,668,005.40 = 169,928,330.40/x
  3. Step 3: Cross multiply
    221,300,960.40x = 331,668,005.40 × 169,928,330.40
  4. Step 4: Simplify right side
    221,300,960.40x = 56,359,790,404,720,184
  5. Step 5: Solve for x
    x = 56,359,790,404,720,184/221,300,960.40
  6. Step 6: Final answer
    x = 254,674,856.82

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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.