Home / 210,014,995.80-314,928,015.30-80,579,587.80

Finding the Fourth Proportional to 210,014,995.80, 314,928,015.30 and 80,579,587.80

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Solution

The fourth proportional to 210,014,995.80, 314,928,015.30 and 80,579,587.80 is: 120,833,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,014,995.80 : 314,928,015.30 = 80,579,587.80 : x
  2. Step 2: Convert to fraction form
    210,014,995.80/314,928,015.30 = 80,579,587.80/x
  3. Step 3: Cross multiply
    210,014,995.80x = 314,928,015.30 × 80,579,587.80
  4. Step 4: Simplify right side
    210,014,995.80x = 25,376,769,659,546,092
  5. Step 5: Solve for x
    x = 25,376,769,659,546,092/210,014,995.80
  6. Step 6: Final answer
    x = 120,833,131.76

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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.