Home / 98,319,327,530.66-135,679,228,029.76-54,916,245,803.60

Finding the Fourth Proportional to 98,319,327,530.66, 135,679,228,029.76 and 54,916,245,803.60

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Solution

The fourth proportional to 98,319,327,530.66, 135,679,228,029.76 and 54,916,245,803.60 is: 75,783,612,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,319,327,530.66 : 135,679,228,029.76 = 54,916,245,803.60 : x
  2. Step 2: Convert to fraction form
    98,319,327,530.66/135,679,228,029.76 = 54,916,245,803.60/x
  3. Step 3: Cross multiply
    98,319,327,530.66x = 135,679,228,029.76 × 54,916,245,803.60
  4. Step 4: Simplify right side
    98,319,327,530.66x = 7,450,993,836,924,994,584,576
  5. Step 5: Solve for x
    x = 7,450,993,836,924,994,584,576/98,319,327,530.66
  6. Step 6: Final answer
    x = 75,783,612,683.90

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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.