Home / 172,442,029.78-237,934,477.20-99,089,000.02

Finding the Fourth Proportional to 172,442,029.78, 237,934,477.20 and 99,089,000.02

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Solution

The fourth proportional to 172,442,029.78, 237,934,477.20 and 99,089,000.02 is: 136,722,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,442,029.78 : 237,934,477.20 = 99,089,000.02 : x
  2. Step 2: Convert to fraction form
    172,442,029.78/237,934,477.20 = 99,089,000.02/x
  3. Step 3: Cross multiply
    172,442,029.78x = 237,934,477.20 × 99,089,000.02
  4. Step 4: Simplify right side
    172,442,029.78x = 23,576,689,414,344,372
  5. Step 5: Solve for x
    x = 23,576,689,414,344,372/172,442,029.78
  6. Step 6: Final answer
    x = 136,722,407.21

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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.