Home / 236,196,408.40-354,294,612.60-217,542,829.30

Finding the Fourth Proportional to 236,196,408.40, 354,294,612.60 and 217,542,829.30

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Solution

The fourth proportional to 236,196,408.40, 354,294,612.60 and 217,542,829.30 is: 326,314,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,196,408.40 : 354,294,612.60 = 217,542,829.30 : x
  2. Step 2: Convert to fraction form
    236,196,408.40/354,294,612.60 = 217,542,829.30/x
  3. Step 3: Cross multiply
    236,196,408.40x = 354,294,612.60 × 217,542,829.30
  4. Step 4: Simplify right side
    236,196,408.40x = 77,074,252,430,751,440
  5. Step 5: Solve for x
    x = 77,074,252,430,751,440/236,196,408.40
  6. Step 6: Final answer
    x = 326,314,243.95

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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.