Home / 172,442,032.28-237,934,480.63-99,089,002.52

Finding the Fourth Proportional to 172,442,032.28, 237,934,480.63 and 99,089,002.52

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Solution

The fourth proportional to 172,442,032.28, 237,934,480.63 and 99,089,002.52 is: 136,722,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,442,032.28 : 237,934,480.63 = 99,089,002.52 : x
  2. Step 2: Convert to fraction form
    172,442,032.28/237,934,480.63 = 99,089,002.52/x
  3. Step 3: Cross multiply
    172,442,032.28x = 237,934,480.63 × 99,089,002.52
  4. Step 4: Simplify right side
    172,442,032.28x = 23,576,690,349,303,568
  5. Step 5: Solve for x
    x = 23,576,690,349,303,568/172,442,032.28
  6. Step 6: Final answer
    x = 136,722,410.65

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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.