Home / 199,396,005.12-275,166,867.84-110,088,122.04

Finding the Fourth Proportional to 199,396,005.12, 275,166,867.84 and 110,088,122.04

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Solution

The fourth proportional to 199,396,005.12, 275,166,867.84 and 110,088,122.04 is: 151,921,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,396,005.12 : 275,166,867.84 = 110,088,122.04 : x
  2. Step 2: Convert to fraction form
    199,396,005.12/275,166,867.84 = 110,088,122.04/x
  3. Step 3: Cross multiply
    199,396,005.12x = 275,166,867.84 × 110,088,122.04
  4. Step 4: Simplify right side
    199,396,005.12x = 30,292,603,728,134,472
  5. Step 5: Solve for x
    x = 30,292,603,728,134,472/199,396,005.12
  6. Step 6: Final answer
    x = 151,921,818.64

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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.