Home / 85,532,666.97-128,311,803.83-30,958,021.32

Finding the Fourth Proportional to 85,532,666.97, 128,311,803.83 and 30,958,021.32

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Solution

The fourth proportional to 85,532,666.97, 128,311,803.83 and 30,958,021.32 is: 46,441,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532,666.97 : 128,311,803.83 = 30,958,021.32 : x
  2. Step 2: Convert to fraction form
    85,532,666.97/128,311,803.83 = 30,958,021.32/x
  3. Step 3: Cross multiply
    85,532,666.97x = 128,311,803.83 × 30,958,021.32
  4. Step 4: Simplify right side
    85,532,666.97x = 3,972,279,558,422,007.50
  5. Step 5: Solve for x
    x = 3,972,279,558,422,007.50/85,532,666.97
  6. Step 6: Final answer
    x = 46,441,666.08

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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.