Home / 306,890,310.66-460,626,496.47-189,951,938.40

Finding the Fourth Proportional to 306,890,310.66, 460,626,496.47 and 189,951,938.40

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Solution

The fourth proportional to 306,890,310.66, 460,626,496.47 and 189,951,938.40 is: 285,108,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,890,310.66 : 460,626,496.47 = 189,951,938.40 : x
  2. Step 2: Convert to fraction form
    306,890,310.66/460,626,496.47 = 189,951,938.40/x
  3. Step 3: Cross multiply
    306,890,310.66x = 460,626,496.47 × 189,951,938.40
  4. Step 4: Simplify right side
    306,890,310.66x = 87,496,895,882,877,264
  5. Step 5: Solve for x
    x = 87,496,895,882,877,264/306,890,310.66
  6. Step 6: Final answer
    x = 285,108,042.98

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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.