Home / 176,037,150.80-263,866,769.40-66,820,120.40

Finding the Fourth Proportional to 176,037,150.80, 263,866,769.40 and 66,820,120.40

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Solution

The fourth proportional to 176,037,150.80, 263,866,769.40 and 66,820,120.40 is: 100,158,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,037,150.80 : 263,866,769.40 = 66,820,120.40 : x
  2. Step 2: Convert to fraction form
    176,037,150.80/263,866,769.40 = 66,820,120.40/x
  3. Step 3: Cross multiply
    176,037,150.80x = 263,866,769.40 × 66,820,120.40
  4. Step 4: Simplify right side
    176,037,150.80x = 17,631,609,300,867,036
  5. Step 5: Solve for x
    x = 17,631,609,300,867,036/176,037,150.80
  6. Step 6: Final answer
    x = 100,158,456.44

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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.