Home / 126,393,714.02-189,536,736.81-49,662,918.65

Finding the Fourth Proportional to 126,393,714.02, 189,536,736.81 and 49,662,918.65

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Solution

The fourth proportional to 126,393,714.02, 189,536,736.81 and 49,662,918.65 is: 74,473,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,393,714.02 : 189,536,736.81 = 49,662,918.65 : x
  2. Step 2: Convert to fraction form
    126,393,714.02/189,536,736.81 = 49,662,918.65/x
  3. Step 3: Cross multiply
    126,393,714.02x = 189,536,736.81 × 49,662,918.65
  4. Step 4: Simplify right side
    126,393,714.02x = 9,412,947,542,041,568
  5. Step 5: Solve for x
    x = 9,412,947,542,041,568/126,393,714.02
  6. Step 6: Final answer
    x = 74,473,225.31

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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.