Home / 160,391,014.84-221,339,814.06-87,052,166.20

Finding the Fourth Proportional to 160,391,014.84, 221,339,814.06 and 87,052,166.20

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Solution

The fourth proportional to 160,391,014.84, 221,339,814.06 and 87,052,166.20 is: 120,132,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,391,014.84 : 221,339,814.06 = 87,052,166.20 : x
  2. Step 2: Convert to fraction form
    160,391,014.84/221,339,814.06 = 87,052,166.20/x
  3. Step 3: Cross multiply
    160,391,014.84x = 221,339,814.06 × 87,052,166.20
  4. Step 4: Simplify right side
    160,391,014.84x = 19,268,110,280,228,216
  5. Step 5: Solve for x
    x = 19,268,110,280,228,216/160,391,014.84
  6. Step 6: Final answer
    x = 120,132,105.28

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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.