Home / 209,638,563.20-314,457,844.80-132,733,145.60

Finding the Fourth Proportional to 209,638,563.20, 314,457,844.80 and 132,733,145.60

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Solution

The fourth proportional to 209,638,563.20, 314,457,844.80 and 132,733,145.60 is: 199,099,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,638,563.20 : 314,457,844.80 = 132,733,145.60 : x
  2. Step 2: Convert to fraction form
    209,638,563.20/314,457,844.80 = 132,733,145.60/x
  3. Step 3: Cross multiply
    209,638,563.20x = 314,457,844.80 × 132,733,145.60
  4. Step 4: Simplify right side
    209,638,563.20x = 41,738,978,898,900,600
  5. Step 5: Solve for x
    x = 41,738,978,898,900,600/209,638,563.20
  6. Step 6: Final answer
    x = 199,099,718.40

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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.