Home / 86,505,815,265.88-129,796,012,035.54-46,703,687,443.78

Finding the Fourth Proportional to 86,505,815,265.88, 129,796,012,035.54 and 46,703,687,443.78

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Solution

The fourth proportional to 86,505,815,265.88, 129,796,012,035.54 and 46,703,687,443.78 is: 70,075,663,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505,815,265.88 : 129,796,012,035.54 = 46,703,687,443.78 : x
  2. Step 2: Convert to fraction form
    86,505,815,265.88/129,796,012,035.54 = 46,703,687,443.78/x
  3. Step 3: Cross multiply
    86,505,815,265.88x = 129,796,012,035.54 × 46,703,687,443.78
  4. Step 4: Simplify right side
    86,505,815,265.88x = 6,061,952,377,557,485,617,152
  5. Step 5: Solve for x
    x = 6,061,952,377,557,485,617,152/86,505,815,265.88
  6. Step 6: Final answer
    x = 70,075,663,224.78

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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.