Home / 199,863,946.20-299,348,021.70-164,032,138.20

Finding the Fourth Proportional to 199,863,946.20, 299,348,021.70 and 164,032,138.20

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Solution

The fourth proportional to 199,863,946.20, 299,348,021.70 and 164,032,138.20 is: 245,680,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,863,946.20 : 299,348,021.70 = 164,032,138.20 : x
  2. Step 2: Convert to fraction form
    199,863,946.20/299,348,021.70 = 164,032,138.20/x
  3. Step 3: Cross multiply
    199,863,946.20x = 299,348,021.70 × 164,032,138.20
  4. Step 4: Simplify right side
    199,863,946.20x = 49,102,696,065,390,992
  5. Step 5: Solve for x
    x = 49,102,696,065,390,992/199,863,946.20
  6. Step 6: Final answer
    x = 245,680,609.23

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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.