Home / 199,705,911.20-299,558,866.80-165,068,496.80

Finding the Fourth Proportional to 199,705,911.20, 299,558,866.80 and 165,068,496.80

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Solution

The fourth proportional to 199,705,911.20, 299,558,866.80 and 165,068,496.80 is: 247,602,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,705,911.20 : 299,558,866.80 = 165,068,496.80 : x
  2. Step 2: Convert to fraction form
    199,705,911.20/299,558,866.80 = 165,068,496.80/x
  3. Step 3: Cross multiply
    199,705,911.20x = 299,558,866.80 × 165,068,496.80
  4. Step 4: Simplify right side
    199,705,911.20x = 49,447,731,845,787,432
  5. Step 5: Solve for x
    x = 49,447,731,845,787,432/199,705,911.20
  6. Step 6: Final answer
    x = 247,602,745.20

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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.