Home / 104,819,625,086.40-157,229,437,629.60-86,208,136,113.60

Finding the Fourth Proportional to 104,819,625,086.40, 157,229,437,629.60 and 86,208,136,113.60

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Solution

The fourth proportional to 104,819,625,086.40, 157,229,437,629.60 and 86,208,136,113.60 is: 129,312,204,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819,625,086.40 : 157,229,437,629.60 = 86,208,136,113.60 : x
  2. Step 2: Convert to fraction form
    104,819,625,086.40/157,229,437,629.60 = 86,208,136,113.60/x
  3. Step 3: Cross multiply
    104,819,625,086.40x = 157,229,437,629.60 × 86,208,136,113.60
  4. Step 4: Simplify right side
    104,819,625,086.40x = 13,554,456,760,237,340,753,920
  5. Step 5: Solve for x
    x = 13,554,456,760,237,340,753,920/104,819,625,086.40
  6. Step 6: Final answer
    x = 129,312,204,170.40

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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.