Home / 201,202,052.73-301,803,040.22-86,111,965.05

Finding the Fourth Proportional to 201,202,052.73, 301,803,040.22 and 86,111,965.05

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Solution

The fourth proportional to 201,202,052.73, 301,803,040.22 and 86,111,965.05 is: 129,167,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,202,052.73 : 301,803,040.22 = 86,111,965.05 : x
  2. Step 2: Convert to fraction form
    201,202,052.73/301,803,040.22 = 86,111,965.05/x
  3. Step 3: Cross multiply
    201,202,052.73x = 301,803,040.22 × 86,111,965.05
  4. Step 4: Simplify right side
    201,202,052.73x = 25,988,852,850,977,820
  5. Step 5: Solve for x
    x = 25,988,852,850,977,820/201,202,052.73
  6. Step 6: Final answer
    x = 129,167,930.93

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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.