Home / 99,481,537.20-149,080,588.20-73,370,069.40

Finding the Fourth Proportional to 99,481,537.20, 149,080,588.20 and 73,370,069.40

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Solution

The fourth proportional to 99,481,537.20, 149,080,588.20 and 73,370,069.40 is: 109,950,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,481,537.20 : 149,080,588.20 = 73,370,069.40 : x
  2. Step 2: Convert to fraction form
    99,481,537.20/149,080,588.20 = 73,370,069.40/x
  3. Step 3: Cross multiply
    99,481,537.20x = 149,080,588.20 × 73,370,069.40
  4. Step 4: Simplify right side
    99,481,537.20x = 10,938,053,102,426,822
  5. Step 5: Solve for x
    x = 10,938,053,102,426,822/99,481,537.20
  6. Step 6: Final answer
    x = 109,950,583.90

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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.