Home / 220,401,804.78-304,573,968.99-165,302,001.90

Finding the Fourth Proportional to 220,401,804.78, 304,573,968.99 and 165,302,001.90

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Solution

The fourth proportional to 220,401,804.78, 304,573,968.99 and 165,302,001.90 is: 228,431,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,401,804.78 : 304,573,968.99 = 165,302,001.90 : x
  2. Step 2: Convert to fraction form
    220,401,804.78/304,573,968.99 = 165,302,001.90/x
  3. Step 3: Cross multiply
    220,401,804.78x = 304,573,968.99 × 165,302,001.90
  4. Step 4: Simplify right side
    220,401,804.78x = 50,346,686,800,675,528
  5. Step 5: Solve for x
    x = 50,346,686,800,675,528/220,401,804.78
  6. Step 6: Final answer
    x = 228,431,372.65

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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.