Home / 78,544,397,009.51-117,816,596,886.33-18,853,059,274.64

Finding the Fourth Proportional to 78,544,397,009.51, 117,816,596,886.33 and 18,853,059,274.64

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Solution

The fourth proportional to 78,544,397,009.51, 117,816,596,886.33 and 18,853,059,274.64 is: 28,279,589,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544,397,009.51 : 117,816,596,886.33 = 18,853,059,274.64 : x
  2. Step 2: Convert to fraction form
    78,544,397,009.51/117,816,596,886.33 = 18,853,059,274.64/x
  3. Step 3: Cross multiply
    78,544,397,009.51x = 117,816,596,886.33 × 18,853,059,274.64
  4. Step 4: Simplify right side
    78,544,397,009.51x = 2,221,203,284,634,228,228,096
  5. Step 5: Solve for x
    x = 2,221,203,284,634,228,228,096/78,544,397,009.51
  6. Step 6: Final answer
    x = 28,279,589,241.30

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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.