Home / 115,097,796.70-158,905,347.15-74,902,094.26

Finding the Fourth Proportional to 115,097,796.70, 158,905,347.15 and 74,902,094.26

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Solution

The fourth proportional to 115,097,796.70, 158,905,347.15 and 74,902,094.26 is: 103,410,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,097,796.70 : 158,905,347.15 = 74,902,094.26 : x
  2. Step 2: Convert to fraction form
    115,097,796.70/158,905,347.15 = 74,902,094.26/x
  3. Step 3: Cross multiply
    115,097,796.70x = 158,905,347.15 × 74,902,094.26
  4. Step 4: Simplify right side
    115,097,796.70x = 11,902,343,290,647,324
  5. Step 5: Solve for x
    x = 11,902,343,290,647,324/115,097,796.70
  6. Step 6: Final answer
    x = 103,410,696.22

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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.