Home / 306,890,418.40-460,626,657.83-189,952,045.98

Finding the Fourth Proportional to 306,890,418.40, 460,626,657.83 and 189,952,045.98

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Solution

The fourth proportional to 306,890,418.40, 460,626,657.83 and 189,952,045.98 is: 285,108,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,890,418.40 : 460,626,657.83 = 189,952,045.98 : x
  2. Step 2: Convert to fraction form
    306,890,418.40/460,626,657.83 = 189,952,045.98/x
  3. Step 3: Cross multiply
    306,890,418.40x = 460,626,657.83 × 189,952,045.98
  4. Step 4: Simplify right side
    306,890,418.40x = 87,496,976,087,737,872
  5. Step 5: Solve for x
    x = 87,496,976,087,737,872/306,890,418.40
  6. Step 6: Final answer
    x = 285,108,204.24

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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.