Home / 77,731,963.02-116,519,912.37-26,578,998.54

Finding the Fourth Proportional to 77,731,963.02, 116,519,912.37 and 26,578,998.54

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Solution

The fourth proportional to 77,731,963.02, 116,519,912.37 and 26,578,998.54 is: 39,841,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,731,963.02 : 116,519,912.37 = 26,578,998.54 : x
  2. Step 2: Convert to fraction form
    77,731,963.02/116,519,912.37 = 26,578,998.54/x
  3. Step 3: Cross multiply
    77,731,963.02x = 116,519,912.37 × 26,578,998.54
  4. Step 4: Simplify right side
    77,731,963.02x = 3,096,982,580,763,158
  5. Step 5: Solve for x
    x = 3,096,982,580,763,158/77,731,963.02
  6. Step 6: Final answer
    x = 39,841,816.16

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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.