Home / 172,442,121.08-237,934,603.66-99,089,091.32

Finding the Fourth Proportional to 172,442,121.08, 237,934,603.66 and 99,089,091.32

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Solution

The fourth proportional to 172,442,121.08, 237,934,603.66 and 99,089,091.32 is: 136,722,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,442,121.08 : 237,934,603.66 = 99,089,091.32 : x
  2. Step 2: Convert to fraction form
    172,442,121.08/237,934,603.66 = 99,089,091.32/x
  3. Step 3: Cross multiply
    172,442,121.08x = 237,934,603.66 × 99,089,091.32
  4. Step 4: Simplify right side
    172,442,121.08x = 23,576,723,670,253,744
  5. Step 5: Solve for x
    x = 23,576,723,670,253,744/172,442,121.08
  6. Step 6: Final answer
    x = 136,722,533.47

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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.