Home / 217,030,360,689.47-325,582,629,351.15-89,475,324,389.49

Finding the Fourth Proportional to 217,030,360,689.47, 325,582,629,351.15 and 89,475,324,389.49

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Solution

The fourth proportional to 217,030,360,689.47, 325,582,629,351.15 and 89,475,324,389.49 is: 134,228,277,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,030,360,689.47 : 325,582,629,351.15 = 89,475,324,389.49 : x
  2. Step 2: Convert to fraction form
    217,030,360,689.47/325,582,629,351.15 = 89,475,324,389.49/x
  3. Step 3: Cross multiply
    217,030,360,689.47x = 325,582,629,351.15 × 89,475,324,389.49
  4. Step 4: Simplify right side
    217,030,360,689.47x = 29,131,611,376,777,238,151,168
  5. Step 5: Solve for x
    x = 29,131,611,376,777,238,151,168/217,030,360,689.47
  6. Step 6: Final answer
    x = 134,228,277,021.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.