Home / 228,438,605.14-342,099,070.90-206,330,410.46

Finding the Fourth Proportional to 228,438,605.14, 342,099,070.90 and 206,330,410.46

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Solution

The fourth proportional to 228,438,605.14, 342,099,070.90 and 206,330,410.46 is: 308,990,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,438,605.14 : 342,099,070.90 = 206,330,410.46 : x
  2. Step 2: Convert to fraction form
    228,438,605.14/342,099,070.90 = 206,330,410.46/x
  3. Step 3: Cross multiply
    228,438,605.14x = 342,099,070.90 × 206,330,410.46
  4. Step 4: Simplify right side
    228,438,605.14x = 70,585,441,717,121,064
  5. Step 5: Solve for x
    x = 70,585,441,717,121,064/228,438,605.14
  6. Step 6: Final answer
    x = 308,990,862.88

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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.