Home / 159,644,673.20-239,467,009.80-121,380,921.20

Finding the Fourth Proportional to 159,644,673.20, 239,467,009.80 and 121,380,921.20

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Solution

The fourth proportional to 159,644,673.20, 239,467,009.80 and 121,380,921.20 is: 182,071,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,644,673.20 : 239,467,009.80 = 121,380,921.20 : x
  2. Step 2: Convert to fraction form
    159,644,673.20/239,467,009.80 = 121,380,921.20/x
  3. Step 3: Cross multiply
    159,644,673.20x = 239,467,009.80 × 121,380,921.20
  4. Step 4: Simplify right side
    159,644,673.20x = 29,066,726,246,533,428
  5. Step 5: Solve for x
    x = 29,066,726,246,533,428/159,644,673.20
  6. Step 6: Final answer
    x = 182,071,381.80

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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.