Home / 77,685,836,598.72-107,205,322,887.90-43,392,031,143.57

Finding the Fourth Proportional to 77,685,836,598.72, 107,205,322,887.90 and 43,392,031,143.57

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Solution

The fourth proportional to 77,685,836,598.72, 107,205,322,887.90 and 43,392,031,143.57 is: 59,880,370,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,685,836,598.72 : 107,205,322,887.90 = 43,392,031,143.57 : x
  2. Step 2: Convert to fraction form
    77,685,836,598.72/107,205,322,887.90 = 43,392,031,143.57/x
  3. Step 3: Cross multiply
    77,685,836,598.72x = 107,205,322,887.90 × 43,392,031,143.57
  4. Step 4: Simplify right side
    77,685,836,598.72x = 4,651,856,709,508,234,477,568
  5. Step 5: Solve for x
    x = 4,651,856,709,508,234,477,568/77,685,836,598.72
  6. Step 6: Final answer
    x = 59,880,370,903.86

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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.