Home / 91,288,021,771.71-125,977,618,245.70-50,642,934,300.12

Finding the Fourth Proportional to 91,288,021,771.71, 125,977,618,245.70 and 50,642,934,300.12

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Solution

The fourth proportional to 91,288,021,771.71, 125,977,618,245.70 and 50,642,934,300.12 is: 69,887,331,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,021,771.71 : 125,977,618,245.70 = 50,642,934,300.12 : x
  2. Step 2: Convert to fraction form
    91,288,021,771.71/125,977,618,245.70 = 50,642,934,300.12/x
  3. Step 3: Cross multiply
    91,288,021,771.71x = 125,977,618,245.70 × 50,642,934,300.12
  4. Step 4: Simplify right side
    91,288,021,771.71x = 6,379,876,244,103,087,783,936
  5. Step 5: Solve for x
    x = 6,379,876,244,103,087,783,936/91,288,021,771.71
  6. Step 6: Final answer
    x = 69,887,331,550.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.