Home / 228,438,606.64-342,099,073.14-206,330,411.97

Finding the Fourth Proportional to 228,438,606.64, 342,099,073.14 and 206,330,411.97

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Solution

The fourth proportional to 228,438,606.64, 342,099,073.14 and 206,330,411.97 is: 308,990,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,438,606.64 : 342,099,073.14 = 206,330,411.97 : x
  2. Step 2: Convert to fraction form
    228,438,606.64/342,099,073.14 = 206,330,411.97/x
  3. Step 3: Cross multiply
    228,438,606.64x = 342,099,073.14 × 206,330,411.97
  4. Step 4: Simplify right side
    228,438,606.64x = 70,585,442,695,531,360
  5. Step 5: Solve for x
    x = 70,585,442,695,531,360/228,438,606.64
  6. Step 6: Final answer
    x = 308,990,865.13

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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.