Home / 100,602,666.20-150,903,999.30-54,686,163.80

Finding the Fourth Proportional to 100,602,666.20, 150,903,999.30 and 54,686,163.80

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Solution

The fourth proportional to 100,602,666.20, 150,903,999.30 and 54,686,163.80 is: 82,029,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,666.20 : 150,903,999.30 = 54,686,163.80 : x
  2. Step 2: Convert to fraction form
    100,602,666.20/150,903,999.30 = 54,686,163.80/x
  3. Step 3: Cross multiply
    100,602,666.20x = 150,903,999.30 × 54,686,163.80
  4. Step 4: Simplify right side
    100,602,666.20x = 8,252,360,823,794,886
  5. Step 5: Solve for x
    x = 8,252,360,823,794,886/100,602,666.20
  6. Step 6: Final answer
    x = 82,029,245.70

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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.