Home / 306,890,311.16-460,626,497.15-189,951,938.87

Finding the Fourth Proportional to 306,890,311.16, 460,626,497.15 and 189,951,938.87

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Solution

The fourth proportional to 306,890,311.16, 460,626,497.15 and 189,951,938.87 is: 285,108,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,890,311.16 : 460,626,497.15 = 189,951,938.87 : x
  2. Step 2: Convert to fraction form
    306,890,311.16/460,626,497.15 = 189,951,938.87/x
  3. Step 3: Cross multiply
    306,890,311.16x = 460,626,497.15 × 189,951,938.87
  4. Step 4: Simplify right side
    306,890,311.16x = 87,496,896,225,286,144
  5. Step 5: Solve for x
    x = 87,496,896,225,286,144/306,890,311.16
  6. Step 6: Final answer
    x = 285,108,043.63

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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.