Home / 123,756,239,481.25-185,444,889,378.26-83,269,128,161.29

Finding the Fourth Proportional to 123,756,239,481.25, 185,444,889,378.26 and 83,269,128,161.29

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Solution

The fourth proportional to 123,756,239,481.25, 185,444,889,378.26 and 83,269,128,161.29 is: 124,776,207,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,756,239,481.25 : 185,444,889,378.26 = 83,269,128,161.29 : x
  2. Step 2: Convert to fraction form
    123,756,239,481.25/185,444,889,378.26 = 83,269,128,161.29/x
  3. Step 3: Cross multiply
    123,756,239,481.25x = 185,444,889,378.26 × 83,269,128,161.29
  4. Step 4: Simplify right side
    123,756,239,481.25x = 15,441,834,260,494,578,352,128
  5. Step 5: Solve for x
    x = 15,441,834,260,494,578,352,128/123,756,239,481.25
  6. Step 6: Final answer
    x = 124,776,207,852.00

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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.