Home / 126,909,620.40-190,364,430.60-36,021,399.60

Finding the Fourth Proportional to 126,909,620.40, 190,364,430.60 and 36,021,399.60

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Solution

The fourth proportional to 126,909,620.40, 190,364,430.60 and 36,021,399.60 is: 54,032,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,909,620.40 : 190,364,430.60 = 36,021,399.60 : x
  2. Step 2: Convert to fraction form
    126,909,620.40/190,364,430.60 = 36,021,399.60/x
  3. Step 3: Cross multiply
    126,909,620.40x = 190,364,430.60 × 36,021,399.60
  4. Step 4: Simplify right side
    126,909,620.40x = 6,857,193,224,269,068
  5. Step 5: Solve for x
    x = 6,857,193,224,269,068/126,909,620.40
  6. Step 6: Final answer
    x = 54,032,099.40

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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.