Home / 129,028,846.80-193,543,270.20-119,175,099.60

Finding the Fourth Proportional to 129,028,846.80, 193,543,270.20 and 119,175,099.60

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Solution

The fourth proportional to 129,028,846.80, 193,543,270.20 and 119,175,099.60 is: 178,762,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,028,846.80 : 193,543,270.20 = 119,175,099.60 : x
  2. Step 2: Convert to fraction form
    129,028,846.80/193,543,270.20 = 119,175,099.60/x
  3. Step 3: Cross multiply
    129,028,846.80x = 193,543,270.20 × 119,175,099.60
  4. Step 4: Simplify right side
    129,028,846.80x = 23,065,538,502,994,708
  5. Step 5: Solve for x
    x = 23,065,538,502,994,708/129,028,846.80
  6. Step 6: Final answer
    x = 178,762,649.40

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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.