Home / 194,048,212.40-291,072,318.60-79,115,238.80

Finding the Fourth Proportional to 194,048,212.40, 291,072,318.60 and 79,115,238.80

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Solution

The fourth proportional to 194,048,212.40, 291,072,318.60 and 79,115,238.80 is: 118,672,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,048,212.40 : 291,072,318.60 = 79,115,238.80 : x
  2. Step 2: Convert to fraction form
    194,048,212.40/291,072,318.60 = 79,115,238.80/x
  3. Step 3: Cross multiply
    194,048,212.40x = 291,072,318.60 × 79,115,238.80
  4. Step 4: Simplify right side
    194,048,212.40x = 23,028,255,994,108,684
  5. Step 5: Solve for x
    x = 23,028,255,994,108,684/194,048,212.40
  6. Step 6: Final answer
    x = 118,672,858.20

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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.