Home / 100,527,351.40-150,865,676.70-39,986,525.80

Finding the Fourth Proportional to 100,527,351.40, 150,865,676.70 and 39,986,525.80

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Solution

The fourth proportional to 100,527,351.40, 150,865,676.70 and 39,986,525.80 is: 60,009,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,527,351.40 : 150,865,676.70 = 39,986,525.80 : x
  2. Step 2: Convert to fraction form
    100,527,351.40/150,865,676.70 = 39,986,525.80/x
  3. Step 3: Cross multiply
    100,527,351.40x = 150,865,676.70 × 39,986,525.80
  4. Step 4: Simplify right side
    100,527,351.40x = 6,032,594,273,699,008
  5. Step 5: Solve for x
    x = 6,032,594,273,699,008/100,527,351.40
  6. Step 6: Final answer
    x = 60,009,481.89

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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.