Home / 109,100,880,128.78-150,537,378,589.60-60,921,510,254.56

Finding the Fourth Proportional to 109,100,880,128.78, 150,537,378,589.60 and 60,921,510,254.56

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Solution

The fourth proportional to 109,100,880,128.78, 150,537,378,589.60 and 60,921,510,254.56 is: 84,059,491,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,100,880,128.78 : 150,537,378,589.60 = 60,921,510,254.56 : x
  2. Step 2: Convert to fraction form
    109,100,880,128.78/150,537,378,589.60 = 60,921,510,254.56/x
  3. Step 3: Cross multiply
    109,100,880,128.78x = 150,537,378,589.60 × 60,921,510,254.56
  4. Step 4: Simplify right side
    109,100,880,128.78x = 9,170,964,453,440,897,417,216
  5. Step 5: Solve for x
    x = 9,170,964,453,440,897,417,216/109,100,880,128.78
  6. Step 6: Final answer
    x = 84,059,491,019.83

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1.5x scale

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.