Home / 66,439,016.80-99,658,525.20-30,607,208.80

Finding the Fourth Proportional to 66,439,016.80, 99,658,525.20 and 30,607,208.80

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Solution

The fourth proportional to 66,439,016.80, 99,658,525.20 and 30,607,208.80 is: 45,910,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439,016.80 : 99,658,525.20 = 30,607,208.80 : x
  2. Step 2: Convert to fraction form
    66,439,016.80/99,658,525.20 = 30,607,208.80/x
  3. Step 3: Cross multiply
    66,439,016.80x = 99,658,525.20 × 30,607,208.80
  4. Step 4: Simplify right side
    66,439,016.80x = 3,050,269,289,496,462
  5. Step 5: Solve for x
    x = 3,050,269,289,496,462/66,439,016.80
  6. Step 6: Final answer
    x = 45,910,813.20

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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.