Home / 209,932,941.60-314,899,412.40-118,099,936.80

Finding the Fourth Proportional to 209,932,941.60, 314,899,412.40 and 118,099,936.80

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Solution

The fourth proportional to 209,932,941.60, 314,899,412.40 and 118,099,936.80 is: 177,149,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,932,941.60 : 314,899,412.40 = 118,099,936.80 : x
  2. Step 2: Convert to fraction form
    209,932,941.60/314,899,412.40 = 118,099,936.80/x
  3. Step 3: Cross multiply
    209,932,941.60x = 314,899,412.40 × 118,099,936.80
  4. Step 4: Simplify right side
    209,932,941.60x = 37,189,600,702,797,136
  5. Step 5: Solve for x
    x = 37,189,600,702,797,136/209,932,941.60
  6. Step 6: Final answer
    x = 177,149,905.20

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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.