Home / 236,231,971.32-326,001,021.66-131,814,443.64

Finding the Fourth Proportional to 236,231,971.32, 326,001,021.66 and 131,814,443.64

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Solution

The fourth proportional to 236,231,971.32, 326,001,021.66 and 131,814,443.64 is: 181,904,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,231,971.32 : 326,001,021.66 = 131,814,443.64 : x
  2. Step 2: Convert to fraction form
    236,231,971.32/326,001,021.66 = 131,814,443.64/x
  3. Step 3: Cross multiply
    236,231,971.32x = 326,001,021.66 × 131,814,443.64
  4. Step 4: Simplify right side
    236,231,971.32x = 42,971,643,296,184,496
  5. Step 5: Solve for x
    x = 42,971,643,296,184,496/236,231,971.32
  6. Step 6: Final answer
    x = 181,904,435.10

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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.