Home / 126,531,383.04-189,798,085.44-82,848,977.28

Finding the Fourth Proportional to 126,531,383.04, 189,798,085.44 and 82,848,977.28

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Solution

The fourth proportional to 126,531,383.04, 189,798,085.44 and 82,848,977.28 is: 124,274,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,531,383.04 : 189,798,085.44 = 82,848,977.28 : x
  2. Step 2: Convert to fraction form
    126,531,383.04/189,798,085.44 = 82,848,977.28/x
  3. Step 3: Cross multiply
    126,531,383.04x = 189,798,085.44 × 82,848,977.28
  4. Step 4: Simplify right side
    126,531,383.04x = 15,724,577,268,406,058
  5. Step 5: Solve for x
    x = 15,724,577,268,406,058/126,531,383.04
  6. Step 6: Final answer
    x = 124,274,127.81

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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.