Home / 250,990,507.70-346,375,311.45-139,486,048.64

Finding the Fourth Proportional to 250,990,507.70, 346,375,311.45 and 139,486,048.64

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Solution

The fourth proportional to 250,990,507.70, 346,375,311.45 and 139,486,048.64 is: 192,495,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,990,507.70 : 346,375,311.45 = 139,486,048.64 : x
  2. Step 2: Convert to fraction form
    250,990,507.70/346,375,311.45 = 139,486,048.64/x
  3. Step 3: Cross multiply
    250,990,507.70x = 346,375,311.45 × 139,486,048.64
  4. Step 4: Simplify right side
    250,990,507.70x = 48,314,523,540,609,840
  5. Step 5: Solve for x
    x = 48,314,523,540,609,840/250,990,507.70
  6. Step 6: Final answer
    x = 192,495,421.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.