Home / 100,171,039.04-138,235,725.69-55,519,858.34

Finding the Fourth Proportional to 100,171,039.04, 138,235,725.69 and 55,519,858.34

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Solution

The fourth proportional to 100,171,039.04, 138,235,725.69 and 55,519,858.34 is: 76,617,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,171,039.04 : 138,235,725.69 = 55,519,858.34 : x
  2. Step 2: Convert to fraction form
    100,171,039.04/138,235,725.69 = 55,519,858.34/x
  3. Step 3: Cross multiply
    100,171,039.04x = 138,235,725.69 × 55,519,858.34
  4. Step 4: Simplify right side
    100,171,039.04x = 7,674,827,907,835,899
  5. Step 5: Solve for x
    x = 7,674,827,907,835,899/100,171,039.04
  6. Step 6: Final answer
    x = 76,617,233.70

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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.