Home / 126,992,104.96-190,507,085.92-45,104,103.58

Finding the Fourth Proportional to 126,992,104.96, 190,507,085.92 and 45,104,103.58

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Solution

The fourth proportional to 126,992,104.96, 190,507,085.92 and 45,104,103.58 is: 67,662,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,992,104.96 : 190,507,085.92 = 45,104,103.58 : x
  2. Step 2: Convert to fraction form
    126,992,104.96/190,507,085.92 = 45,104,103.58/x
  3. Step 3: Cross multiply
    126,992,104.96x = 190,507,085.92 × 45,104,103.58
  4. Step 4: Simplify right side
    126,992,104.96x = 8,592,651,336,059,639
  5. Step 5: Solve for x
    x = 8,592,651,336,059,639/126,992,104.96
  6. Step 6: Final answer
    x = 67,662,878.25

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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.