Home / 172,442,036.03-237,934,485.79-99,089,006.27

Finding the Fourth Proportional to 172,442,036.03, 237,934,485.79 and 99,089,006.27

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Solution

The fourth proportional to 172,442,036.03, 237,934,485.79 and 99,089,006.27 is: 136,722,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,442,036.03 : 237,934,485.79 = 99,089,006.27 : x
  2. Step 2: Convert to fraction form
    172,442,036.03/237,934,485.79 = 99,089,006.27/x
  3. Step 3: Cross multiply
    172,442,036.03x = 237,934,485.79 × 99,089,006.27
  4. Step 4: Simplify right side
    172,442,036.03x = 23,576,691,752,857,140
  5. Step 5: Solve for x
    x = 23,576,691,752,857,140/172,442,036.03
  6. Step 6: Final answer
    x = 136,722,415.81

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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.