Home / 126,203,394-189,326,008.44-44,301,021.52

Finding the Fourth Proportional to 126,203,394, 189,326,008.44 and 44,301,021.52

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Solution

The fourth proportional to 126,203,394, 189,326,008.44 and 44,301,021.52 is: 66,458,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,203,394 : 189,326,008.44 = 44,301,021.52 : x
  2. Step 2: Convert to fraction form
    126,203,394/189,326,008.44 = 44,301,021.52/x
  3. Step 3: Cross multiply
    126,203,394x = 189,326,008.44 × 44,301,021.52
  4. Step 4: Simplify right side
    126,203,394x = 8,387,335,574,196,142
  5. Step 5: Solve for x
    x = 8,387,335,574,196,142/126,203,394
  6. Step 6: Final answer
    x = 66,458,874.90

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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.