Home / 216,406,975.84-298,467,492.40-190,245,556.96

Finding the Fourth Proportional to 216,406,975.84, 298,467,492.40 and 190,245,556.96

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Solution

The fourth proportional to 216,406,975.84, 298,467,492.40 and 190,245,556.96 is: 262,385,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,406,975.84 : 298,467,492.40 = 190,245,556.96 : x
  2. Step 2: Convert to fraction form
    216,406,975.84/298,467,492.40 = 190,245,556.96/x
  3. Step 3: Cross multiply
    216,406,975.84x = 298,467,492.40 × 190,245,556.96
  4. Step 4: Simplify right side
    216,406,975.84x = 56,782,114,326,092,568
  5. Step 5: Solve for x
    x = 56,782,114,326,092,568/216,406,975.84
  6. Step 6: Final answer
    x = 262,385,785.42

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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.