Home / 77,907,214.80-116,706,857.40-68,333,403.60

Finding the Fourth Proportional to 77,907,214.80, 116,706,857.40 and 68,333,403.60

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Solution

The fourth proportional to 77,907,214.80, 116,706,857.40 and 68,333,403.60 is: 102,365,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,907,214.80 : 116,706,857.40 = 68,333,403.60 : x
  2. Step 2: Convert to fraction form
    77,907,214.80/116,706,857.40 = 68,333,403.60/x
  3. Step 3: Cross multiply
    77,907,214.80x = 116,706,857.40 × 68,333,403.60
  4. Step 4: Simplify right side
    77,907,214.80x = 7,974,976,789,601,846
  5. Step 5: Solve for x
    x = 7,974,976,789,601,846/77,907,214.80
  6. Step 6: Final answer
    x = 102,365,060.93

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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.