Home / 304,508,144.16-420,209,986.64-165,275,916.57

Finding the Fourth Proportional to 304,508,144.16, 420,209,986.64 and 165,275,916.57

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Solution

The fourth proportional to 304,508,144.16, 420,209,986.64 and 165,275,916.57 is: 228,074,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,508,144.16 : 420,209,986.64 = 165,275,916.57 : x
  2. Step 2: Convert to fraction form
    304,508,144.16/420,209,986.64 = 165,275,916.57/x
  3. Step 3: Cross multiply
    304,508,144.16x = 420,209,986.64 × 165,275,916.57
  4. Step 4: Simplify right side
    304,508,144.16x = 69,450,590,692,967,072
  5. Step 5: Solve for x
    x = 69,450,590,692,967,072/304,508,144.16
  6. Step 6: Final answer
    x = 228,074,657.53

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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.