Home / 126,029,015.70-189,043,523.55-105,873,623.70

Finding the Fourth Proportional to 126,029,015.70, 189,043,523.55 and 105,873,623.70

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Solution

The fourth proportional to 126,029,015.70, 189,043,523.55 and 105,873,623.70 is: 158,810,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,015.70 : 189,043,523.55 = 105,873,623.70 : x
  2. Step 2: Convert to fraction form
    126,029,015.70/189,043,523.55 = 105,873,623.70/x
  3. Step 3: Cross multiply
    126,029,015.70x = 189,043,523.55 × 105,873,623.70
  4. Step 4: Simplify right side
    126,029,015.70x = 20,014,722,875,254,788
  5. Step 5: Solve for x
    x = 20,014,722,875,254,788/126,029,015.70
  6. Step 6: Final answer
    x = 158,810,435.55

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1.5x scale

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.