Home / 38,040,886,981.89-57,011,692,223.75-21,252,020,091.07

Finding the Fourth Proportional to 38,040,886,981.89, 57,011,692,223.75 and 21,252,020,091.07

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Solution

The fourth proportional to 38,040,886,981.89, 57,011,692,223.75 and 21,252,020,091.07 is: 31,850,299,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040,886,981.89 : 57,011,692,223.75 = 21,252,020,091.07 : x
  2. Step 2: Convert to fraction form
    38,040,886,981.89/57,011,692,223.75 = 21,252,020,091.07/x
  3. Step 3: Cross multiply
    38,040,886,981.89x = 57,011,692,223.75 × 21,252,020,091.07
  4. Step 4: Simplify right side
    38,040,886,981.89x = 1,211,613,628,565,177,499,648
  5. Step 5: Solve for x
    x = 1,211,613,628,565,177,499,648/38,040,886,981.89
  6. Step 6: Final answer
    x = 31,850,299,104.28

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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.