Home / 219,749,401.45-303,242,860.65-130,445,093.53

Finding the Fourth Proportional to 219,749,401.45, 303,242,860.65 and 130,445,093.53

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Solution

The fourth proportional to 219,749,401.45, 303,242,860.65 and 130,445,093.53 is: 180,007,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,749,401.45 : 303,242,860.65 = 130,445,093.53 : x
  2. Step 2: Convert to fraction form
    219,749,401.45/303,242,860.65 = 130,445,093.53/x
  3. Step 3: Cross multiply
    219,749,401.45x = 303,242,860.65 × 130,445,093.53
  4. Step 4: Simplify right side
    219,749,401.45x = 39,556,543,319,794,000
  5. Step 5: Solve for x
    x = 39,556,543,319,794,000/219,749,401.45
  6. Step 6: Final answer
    x = 180,007,513.37

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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.