Home / 99,694,087.80-149,289,189.30-79,538,695.80

Finding the Fourth Proportional to 99,694,087.80, 149,289,189.30 and 79,538,695.80

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Solution

The fourth proportional to 99,694,087.80, 149,289,189.30 and 79,538,695.80 is: 119,107,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694,087.80 : 149,289,189.30 = 79,538,695.80 : x
  2. Step 2: Convert to fraction form
    99,694,087.80/149,289,189.30 = 79,538,695.80/x
  3. Step 3: Cross multiply
    99,694,087.80x = 149,289,189.30 × 79,538,695.80
  4. Step 4: Simplify right side
    99,694,087.80x = 11,874,267,413,961,316
  5. Step 5: Solve for x
    x = 11,874,267,413,961,316/99,694,087.80
  6. Step 6: Final answer
    x = 119,107,037.10

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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.