Home / 149,033,918.73-205,666,817.33-82,952,994.45

Finding the Fourth Proportional to 149,033,918.73, 205,666,817.33 and 82,952,994.45

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Solution

The fourth proportional to 149,033,918.73, 205,666,817.33 and 82,952,994.45 is: 114,475,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,033,918.73 : 205,666,817.33 = 82,952,994.45 : x
  2. Step 2: Convert to fraction form
    149,033,918.73/205,666,817.33 = 82,952,994.45/x
  3. Step 3: Cross multiply
    149,033,918.73x = 205,666,817.33 × 82,952,994.45
  4. Step 4: Simplify right side
    149,033,918.73x = 17,060,678,356,524,656
  5. Step 5: Solve for x
    x = 17,060,678,356,524,656/149,033,918.73
  6. Step 6: Final answer
    x = 114,475,137.62

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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.