Home / 286,532,047.71-395,410,443.44-159,371,868.51

Finding the Fourth Proportional to 286,532,047.71, 395,410,443.44 and 159,371,868.51

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Solution

The fourth proportional to 286,532,047.71, 395,410,443.44 and 159,371,868.51 is: 219,931,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,532,047.71 : 395,410,443.44 = 159,371,868.51 : x
  2. Step 2: Convert to fraction form
    286,532,047.71/395,410,443.44 = 159,371,868.51/x
  3. Step 3: Cross multiply
    286,532,047.71x = 395,410,443.44 × 159,371,868.51
  4. Step 4: Simplify right side
    286,532,047.71x = 63,017,301,198,603,608
  5. Step 5: Solve for x
    x = 63,017,301,198,603,608/286,532,047.71
  6. Step 6: Final answer
    x = 219,931,074.73

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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.