Home / 202,993,017.94-304,617,619.50-86,408,197.77

Finding the Fourth Proportional to 202,993,017.94, 304,617,619.50 and 86,408,197.77

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Solution

The fourth proportional to 202,993,017.94, 304,617,619.50 and 86,408,197.77 is: 129,666,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,993,017.94 : 304,617,619.50 = 86,408,197.77 : x
  2. Step 2: Convert to fraction form
    202,993,017.94/304,617,619.50 = 86,408,197.77/x
  3. Step 3: Cross multiply
    202,993,017.94x = 304,617,619.50 × 86,408,197.77
  4. Step 4: Simplify right side
    202,993,017.94x = 26,321,459,511,285,648
  5. Step 5: Solve for x
    x = 26,321,459,511,285,648/202,993,017.94
  6. Step 6: Final answer
    x = 129,666,821.93

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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.