Home / 360,611,998.28-540,738,881.91-114,936,665.48

Finding the Fourth Proportional to 360,611,998.28, 540,738,881.91 and 114,936,665.48

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Solution

The fourth proportional to 360,611,998.28, 540,738,881.91 and 114,936,665.48 is: 172,347,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,611,998.28 : 540,738,881.91 = 114,936,665.48 : x
  2. Step 2: Convert to fraction form
    360,611,998.28/540,738,881.91 = 114,936,665.48/x
  3. Step 3: Cross multiply
    360,611,998.28x = 540,738,881.91 × 114,936,665.48
  4. Step 4: Simplify right side
    360,611,998.28x = 62,150,723,979,415,192
  5. Step 5: Solve for x
    x = 62,150,723,979,415,192/360,611,998.28
  6. Step 6: Final answer
    x = 172,347,909.32

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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.