Home / 160,511,644.04-221,507,370.44-87,173,310.92

Finding the Fourth Proportional to 160,511,644.04, 221,507,370.44 and 87,173,310.92

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Solution

The fourth proportional to 160,511,644.04, 221,507,370.44 and 87,173,310.92 is: 120,299,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,511,644.04 : 221,507,370.44 = 87,173,310.92 : x
  2. Step 2: Convert to fraction form
    160,511,644.04/221,507,370.44 = 87,173,310.92/x
  3. Step 3: Cross multiply
    160,511,644.04x = 221,507,370.44 × 87,173,310.92
  4. Step 4: Simplify right side
    160,511,644.04x = 19,309,530,874,437,736
  5. Step 5: Solve for x
    x = 19,309,530,874,437,736/160,511,644.04
  6. Step 6: Final answer
    x = 120,299,876.00

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1.5x scale

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.