Home / 299,712,081.80-449,344,173.90-163,551,211.40

Finding the Fourth Proportional to 299,712,081.80, 449,344,173.90 and 163,551,211.40

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Solution

The fourth proportional to 299,712,081.80, 449,344,173.90 and 163,551,211.40 is: 245,204,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,712,081.80 : 449,344,173.90 = 163,551,211.40 : x
  2. Step 2: Convert to fraction form
    299,712,081.80/449,344,173.90 = 163,551,211.40/x
  3. Step 3: Cross multiply
    299,712,081.80x = 449,344,173.90 × 163,551,211.40
  4. Step 4: Simplify right side
    299,712,081.80x = 73,490,783,976,877,264
  5. Step 5: Solve for x
    x = 73,490,783,976,877,264/299,712,081.80
  6. Step 6: Final answer
    x = 245,204,609.49

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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.