Home / 99,481,538.70-149,080,590.45-73,370,070.90

Finding the Fourth Proportional to 99,481,538.70, 149,080,590.45 and 73,370,070.90

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Solution

The fourth proportional to 99,481,538.70, 149,080,590.45 and 73,370,070.90 is: 109,950,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,481,538.70 : 149,080,590.45 = 73,370,070.90 : x
  2. Step 2: Convert to fraction form
    99,481,538.70/149,080,590.45 = 73,370,070.90/x
  3. Step 3: Cross multiply
    99,481,538.70x = 149,080,590.45 × 73,370,070.90
  4. Step 4: Simplify right side
    99,481,538.70x = 10,938,053,491,130,362
  5. Step 5: Solve for x
    x = 10,938,053,491,130,362/99,481,538.70
  6. Step 6: Final answer
    x = 109,950,586.15

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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.