Home / 129,503,148.80-194,254,723.20-119,649,401.60

Finding the Fourth Proportional to 129,503,148.80, 194,254,723.20 and 119,649,401.60

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Solution

The fourth proportional to 129,503,148.80, 194,254,723.20 and 119,649,401.60 is: 179,474,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,503,148.80 : 194,254,723.20 = 119,649,401.60 : x
  2. Step 2: Convert to fraction form
    129,503,148.80/194,254,723.20 = 119,649,401.60/x
  3. Step 3: Cross multiply
    129,503,148.80x = 194,254,723.20 × 119,649,401.60
  4. Step 4: Simplify right side
    129,503,148.80x = 23,242,461,388,853,636
  5. Step 5: Solve for x
    x = 23,242,461,388,853,636/129,503,148.80
  6. Step 6: Final answer
    x = 179,474,102.40

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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.