Home / 252,281,831.38-378,507,958.05-158,979,064.16

Finding the Fourth Proportional to 252,281,831.38, 378,507,958.05 and 158,979,064.16

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Solution

The fourth proportional to 252,281,831.38, 378,507,958.05 and 158,979,064.16 is: 238,522,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,281,831.38 : 378,507,958.05 = 158,979,064.16 : x
  2. Step 2: Convert to fraction form
    252,281,831.38/378,507,958.05 = 158,979,064.16/x
  3. Step 3: Cross multiply
    252,281,831.38x = 378,507,958.05 × 158,979,064.16
  4. Step 4: Simplify right side
    252,281,831.38x = 60,174,840,949,443,976
  5. Step 5: Solve for x
    x = 60,174,840,949,443,976/252,281,831.38
  6. Step 6: Final answer
    x = 238,522,293.19

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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.