Home / 38,040,886,999.98-57,011,692,250.70-21,252,020,109.12

Finding the Fourth Proportional to 38,040,886,999.98, 57,011,692,250.70 and 21,252,020,109.12

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Solution

The fourth proportional to 38,040,886,999.98, 57,011,692,250.70 and 21,252,020,109.12 is: 31,850,299,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040,886,999.98 : 57,011,692,250.70 = 21,252,020,109.12 : x
  2. Step 2: Convert to fraction form
    38,040,886,999.98/57,011,692,250.70 = 21,252,020,109.12/x
  3. Step 3: Cross multiply
    38,040,886,999.98x = 57,011,692,250.70 × 21,252,020,109.12
  4. Step 4: Simplify right side
    38,040,886,999.98x = 1,211,613,630,166,837,231,616
  5. Step 5: Solve for x
    x = 1,211,613,630,166,837,231,616/38,040,886,999.98
  6. Step 6: Final answer
    x = 31,850,299,131.23

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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.