Home / 99,552,712.80-149,329,069.20-27,749,128.80

Finding the Fourth Proportional to 99,552,712.80, 149,329,069.20 and 27,749,128.80

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Solution

The fourth proportional to 99,552,712.80, 149,329,069.20 and 27,749,128.80 is: 41,623,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,552,712.80 : 149,329,069.20 = 27,749,128.80 : x
  2. Step 2: Convert to fraction form
    99,552,712.80/149,329,069.20 = 27,749,128.80/x
  3. Step 3: Cross multiply
    99,552,712.80x = 149,329,069.20 × 27,749,128.80
  4. Step 4: Simplify right side
    99,552,712.80x = 4,143,751,574,814,912.50
  5. Step 5: Solve for x
    x = 4,143,751,574,814,912.50/99,552,712.80
  6. Step 6: Final answer
    x = 41,623,693.20

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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.