Home / 172,655,971.56-259,168,321.44-74,336,368.50

Finding the Fourth Proportional to 172,655,971.56, 259,168,321.44 and 74,336,368.50

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Solution

The fourth proportional to 172,655,971.56, 259,168,321.44 and 74,336,368.50 is: 111,583,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,655,971.56 : 259,168,321.44 = 74,336,368.50 : x
  2. Step 2: Convert to fraction form
    172,655,971.56/259,168,321.44 = 74,336,368.50/x
  3. Step 3: Cross multiply
    172,655,971.56x = 259,168,321.44 × 74,336,368.50
  4. Step 4: Simplify right side
    172,655,971.56x = 19,265,631,846,090,292
  5. Step 5: Solve for x
    x = 19,265,631,846,090,292/172,655,971.56
  6. Step 6: Final answer
    x = 111,583,930.01

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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.