Home / 159,503,571,359.05-220,115,591,651.16-86,259,802,061.59

Finding the Fourth Proportional to 159,503,571,359.05, 220,115,591,651.16 and 86,259,802,061.59

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Solution

The fourth proportional to 159,503,571,359.05, 220,115,591,651.16 and 86,259,802,061.59 is: 119,038,885,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503,571,359.05 : 220,115,591,651.16 = 86,259,802,061.59 : x
  2. Step 2: Convert to fraction form
    159,503,571,359.05/220,115,591,651.16 = 86,259,802,061.59/x
  3. Step 3: Cross multiply
    159,503,571,359.05x = 220,115,591,651.16 × 86,259,802,061.59
  4. Step 4: Simplify right side
    159,503,571,359.05x = 18,987,127,366,498,174,107,648
  5. Step 5: Solve for x
    x = 18,987,127,366,498,174,107,648/159,503,571,359.05
  6. Step 6: Final answer
    x = 119,038,885,491.52

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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.