Home / 171,238,378,708.72-256,466,303,262.48-81,764,040,598.48

Finding the Fourth Proportional to 171,238,378,708.72, 256,466,303,262.48 and 81,764,040,598.48

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Solution

The fourth proportional to 171,238,378,708.72, 256,466,303,262.48 and 81,764,040,598.48 is: 122,459,237,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,238,378,708.72 : 256,466,303,262.48 = 81,764,040,598.48 : x
  2. Step 2: Convert to fraction form
    171,238,378,708.72/256,466,303,262.48 = 81,764,040,598.48/x
  3. Step 3: Cross multiply
    171,238,378,708.72x = 256,466,303,262.48 × 81,764,040,598.48
  4. Step 4: Simplify right side
    171,238,378,708.72x = 20,969,721,232,095,497,420,800
  5. Step 5: Solve for x
    x = 20,969,721,232,095,497,420,800/171,238,378,708.72
  6. Step 6: Final answer
    x = 122,459,237,177.00

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1.5x scale

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.