Home / 126,863,150.40-190,294,725.60-75,844,814.40

Finding the Fourth Proportional to 126,863,150.40, 190,294,725.60 and 75,844,814.40

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Solution

The fourth proportional to 126,863,150.40, 190,294,725.60 and 75,844,814.40 is: 113,767,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,863,150.40 : 190,294,725.60 = 75,844,814.40 : x
  2. Step 2: Convert to fraction form
    126,863,150.40/190,294,725.60 = 75,844,814.40/x
  3. Step 3: Cross multiply
    126,863,150.40x = 190,294,725.60 × 75,844,814.40
  4. Step 4: Simplify right side
    126,863,150.40x = 14,432,868,144,430,930
  5. Step 5: Solve for x
    x = 14,432,868,144,430,930/126,863,150.40
  6. Step 6: Final answer
    x = 113,767,221.60

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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.