Home / 202,990,800.12-280,127,581.04-110,171,309.28

Finding the Fourth Proportional to 202,990,800.12, 280,127,581.04 and 110,171,309.28

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Solution

The fourth proportional to 202,990,800.12, 280,127,581.04 and 110,171,309.28 is: 152,036,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,990,800.12 : 280,127,581.04 = 110,171,309.28 : x
  2. Step 2: Convert to fraction form
    202,990,800.12/280,127,581.04 = 110,171,309.28/x
  3. Step 3: Cross multiply
    202,990,800.12x = 280,127,581.04 × 110,171,309.28
  4. Step 4: Simplify right side
    202,990,800.12x = 30,862,022,368,616,108
  5. Step 5: Solve for x
    x = 30,862,022,368,616,108/202,990,800.12
  6. Step 6: Final answer
    x = 152,036,557.08

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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.