Home / 21,848,739,450.63-30,150,939,561.29-12,203,610,177.93

Finding the Fourth Proportional to 21,848,739,450.63, 30,150,939,561.29 and 12,203,610,177.93

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Solution

The fourth proportional to 21,848,739,450.63, 30,150,939,561.29 and 12,203,610,177.93 is: 16,840,802,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,739,450.63 : 30,150,939,561.29 = 12,203,610,177.93 : x
  2. Step 2: Convert to fraction form
    21,848,739,450.63/30,150,939,561.29 = 12,203,610,177.93/x
  3. Step 3: Cross multiply
    21,848,739,450.63x = 30,150,939,561.29 × 12,203,610,177.93
  4. Step 4: Simplify right side
    21,848,739,450.63x = 367,950,312,904,310,980,608
  5. Step 5: Solve for x
    x = 367,950,312,904,310,980,608/21,848,739,450.63
  6. Step 6: Final answer
    x = 16,840,802,817.74

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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.