Home / 133,038,511.20-199,408,467.60-75,558,319.20

Finding the Fourth Proportional to 133,038,511.20, 199,408,467.60 and 75,558,319.20

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Solution

The fourth proportional to 133,038,511.20, 199,408,467.60 and 75,558,319.20 is: 113,252,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038,511.20 : 199,408,467.60 = 75,558,319.20 : x
  2. Step 2: Convert to fraction form
    133,038,511.20/199,408,467.60 = 75,558,319.20/x
  3. Step 3: Cross multiply
    133,038,511.20x = 199,408,467.60 × 75,558,319.20
  4. Step 4: Simplify right side
    133,038,511.20x = 15,066,968,646,103,658
  5. Step 5: Solve for x
    x = 15,066,968,646,103,658/133,038,511.20
  6. Step 6: Final answer
    x = 113,252,685.33

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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.