Home / 129,502,977.80-194,254,466.70-119,649,230.60

Finding the Fourth Proportional to 129,502,977.80, 194,254,466.70 and 119,649,230.60

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Solution

The fourth proportional to 129,502,977.80, 194,254,466.70 and 119,649,230.60 is: 179,473,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,502,977.80 : 194,254,466.70 = 119,649,230.60 : x
  2. Step 2: Convert to fraction form
    129,502,977.80/194,254,466.70 = 119,649,230.60/x
  3. Step 3: Cross multiply
    129,502,977.80x = 194,254,466.70 × 119,649,230.60
  4. Step 4: Simplify right side
    129,502,977.80x = 23,242,397,481,268,320
  5. Step 5: Solve for x
    x = 23,242,397,481,268,320/129,502,977.80
  6. Step 6: Final answer
    x = 179,473,845.90

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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.