Home / 127,453,651,447.20-191,086,227,260.96-77,077,885,835.52

Finding the Fourth Proportional to 127,453,651,447.20, 191,086,227,260.96 and 77,077,885,835.52

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Solution

The fourth proportional to 127,453,651,447.20, 191,086,227,260.96 and 77,077,885,835.52 is: 115,559,830,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453,651,447.20 : 191,086,227,260.96 = 77,077,885,835.52 : x
  2. Step 2: Convert to fraction form
    127,453,651,447.20/191,086,227,260.96 = 77,077,885,835.52/x
  3. Step 3: Cross multiply
    127,453,651,447.20x = 191,086,227,260.96 × 77,077,885,835.52
  4. Step 4: Simplify right side
    127,453,651,447.20x = 14,728,522,409,560,504,270,848
  5. Step 5: Solve for x
    x = 14,728,522,409,560,504,270,848/127,453,651,447.20
  6. Step 6: Final answer
    x = 115,559,830,905.76

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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.