Home / 216,407,097.76-298,467,660.72-190,245,678.88

Finding the Fourth Proportional to 216,407,097.76, 298,467,660.72 and 190,245,678.88

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Solution

The fourth proportional to 216,407,097.76, 298,467,660.72 and 190,245,678.88 is: 262,385,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,407,097.76 : 298,467,660.72 = 190,245,678.88 : x
  2. Step 2: Convert to fraction form
    216,407,097.76/298,467,660.72 = 190,245,678.88/x
  3. Step 3: Cross multiply
    216,407,097.76x = 298,467,660.72 × 190,245,678.88
  4. Step 4: Simplify right side
    216,407,097.76x = 56,782,182,737,401,912
  5. Step 5: Solve for x
    x = 56,782,182,737,401,912/216,407,097.76
  6. Step 6: Final answer
    x = 262,385,953.72

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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.