Home / 85,303,437,840.34-117,662,062,029.53-54,858,113,194.44

Finding the Fourth Proportional to 85,303,437,840.34, 117,662,062,029.53 and 54,858,113,194.44

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Solution

The fourth proportional to 85,303,437,840.34, 117,662,062,029.53 and 54,858,113,194.44 is: 75,667,744,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303,437,840.34 : 117,662,062,029.53 = 54,858,113,194.44 : x
  2. Step 2: Convert to fraction form
    85,303,437,840.34/117,662,062,029.53 = 54,858,113,194.44/x
  3. Step 3: Cross multiply
    85,303,437,840.34x = 117,662,062,029.53 × 54,858,113,194.44
  4. Step 4: Simplify right side
    85,303,437,840.34x = 6,454,718,717,507,177,283,584
  5. Step 5: Solve for x
    x = 6,454,718,717,507,177,283,584/85,303,437,840.34
  6. Step 6: Final answer
    x = 75,667,744,242.48

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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.