Home / 76,403,206.80-114,352,867.80-53,728,390.80

Finding the Fourth Proportional to 76,403,206.80, 114,352,867.80 and 53,728,390.80

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Solution

The fourth proportional to 76,403,206.80, 114,352,867.80 and 53,728,390.80 is: 80,415,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,403,206.80 : 114,352,867.80 = 53,728,390.80 : x
  2. Step 2: Convert to fraction form
    76,403,206.80/114,352,867.80 = 53,728,390.80/x
  3. Step 3: Cross multiply
    76,403,206.80x = 114,352,867.80 × 53,728,390.80
  4. Step 4: Simplify right side
    76,403,206.80x = 6,143,995,570,259,136
  5. Step 5: Solve for x
    x = 6,143,995,570,259,136/76,403,206.80
  6. Step 6: Final answer
    x = 80,415,414.84

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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.