Home / 119,428,105,918.93-164,809,672,334.26-65,234,633,813.45

Finding the Fourth Proportional to 119,428,105,918.93, 164,809,672,334.26 and 65,234,633,813.45

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Solution

The fourth proportional to 119,428,105,918.93, 164,809,672,334.26 and 65,234,633,813.45 is: 90,023,186,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,428,105,918.93 : 164,809,672,334.26 = 65,234,633,813.45 : x
  2. Step 2: Convert to fraction form
    119,428,105,918.93/164,809,672,334.26 = 65,234,633,813.45/x
  3. Step 3: Cross multiply
    119,428,105,918.93x = 164,809,672,334.26 × 65,234,633,813.45
  4. Step 4: Simplify right side
    119,428,105,918.93x = 10,751,298,623,639,803,396,096
  5. Step 5: Solve for x
    x = 10,751,298,623,639,803,396,096/119,428,105,918.93
  6. Step 6: Final answer
    x = 90,023,186,258.50

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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.