Home / 168,492,655.20-252,738,982.80-149,360,779.20

Finding the Fourth Proportional to 168,492,655.20, 252,738,982.80 and 149,360,779.20

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Solution

The fourth proportional to 168,492,655.20, 252,738,982.80 and 149,360,779.20 is: 224,041,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492,655.20 : 252,738,982.80 = 149,360,779.20 : x
  2. Step 2: Convert to fraction form
    168,492,655.20/252,738,982.80 = 149,360,779.20/x
  3. Step 3: Cross multiply
    168,492,655.20x = 252,738,982.80 × 149,360,779.20
  4. Step 4: Simplify right side
    168,492,655.20x = 37,749,291,405,223,400
  5. Step 5: Solve for x
    x = 37,749,291,405,223,400/168,492,655.20
  6. Step 6: Final answer
    x = 224,041,168.80

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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.