Home / 202,275,355.50-279,140,730.75-109,455,864.30

Finding the Fourth Proportional to 202,275,355.50, 279,140,730.75 and 109,455,864.30

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Solution

The fourth proportional to 202,275,355.50, 279,140,730.75 and 109,455,864.30 is: 151,049,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,275,355.50 : 279,140,730.75 = 109,455,864.30 : x
  2. Step 2: Convert to fraction form
    202,275,355.50/279,140,730.75 = 109,455,864.30/x
  3. Step 3: Cross multiply
    202,275,355.50x = 279,140,730.75 × 109,455,864.30
  4. Step 4: Simplify right side
    202,275,355.50x = 30,553,589,945,574,836
  5. Step 5: Solve for x
    x = 30,553,589,945,574,836/202,275,355.50
  6. Step 6: Final answer
    x = 151,049,493.25

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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.