Home / 144,168,383.16-198,952,375.14-78,088,881.42

Finding the Fourth Proportional to 144,168,383.16, 198,952,375.14 and 78,088,881.42

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Solution

The fourth proportional to 144,168,383.16, 198,952,375.14 and 78,088,881.42 is: 107,762,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,168,383.16 : 198,952,375.14 = 78,088,881.42 : x
  2. Step 2: Convert to fraction form
    144,168,383.16/198,952,375.14 = 78,088,881.42/x
  3. Step 3: Cross multiply
    144,168,383.16x = 198,952,375.14 × 78,088,881.42
  4. Step 4: Simplify right side
    144,168,383.16x = 15,535,968,430,534,816
  5. Step 5: Solve for x
    x = 15,535,968,430,534,816/144,168,383.16
  6. Step 6: Final answer
    x = 107,762,659.81

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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.