Home / 99,481,540.20-149,080,592.70-73,370,072.40

Finding the Fourth Proportional to 99,481,540.20, 149,080,592.70 and 73,370,072.40

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Solution

The fourth proportional to 99,481,540.20, 149,080,592.70 and 73,370,072.40 is: 109,950,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,481,540.20 : 149,080,592.70 = 73,370,072.40 : x
  2. Step 2: Convert to fraction form
    99,481,540.20/149,080,592.70 = 73,370,072.40/x
  3. Step 3: Cross multiply
    99,481,540.20x = 149,080,592.70 × 73,370,072.40
  4. Step 4: Simplify right side
    99,481,540.20x = 10,938,053,879,833,912
  5. Step 5: Solve for x
    x = 10,938,053,879,833,912/99,481,540.20
  6. Step 6: Final answer
    x = 109,950,588.40

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1.5x scale

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.