Home / 99,649,854.80-149,474,782.20-73,821,822.20

Finding the Fourth Proportional to 99,649,854.80, 149,474,782.20 and 73,821,822.20

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Solution

The fourth proportional to 99,649,854.80, 149,474,782.20 and 73,821,822.20 is: 110,732,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,854.80 : 149,474,782.20 = 73,821,822.20 : x
  2. Step 2: Convert to fraction form
    99,649,854.80/149,474,782.20 = 73,821,822.20/x
  3. Step 3: Cross multiply
    99,649,854.80x = 149,474,782.20 × 73,821,822.20
  4. Step 4: Simplify right side
    99,649,854.80x = 11,034,500,794,952,124
  5. Step 5: Solve for x
    x = 11,034,500,794,952,124/99,649,854.80
  6. Step 6: Final answer
    x = 110,732,733.30

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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.