Home / 91,288,021,839.84-125,977,618,340.37-50,642,934,368.49

Finding the Fourth Proportional to 91,288,021,839.84, 125,977,618,340.37 and 50,642,934,368.49

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Solution

The fourth proportional to 91,288,021,839.84, 125,977,618,340.37 and 50,642,934,368.49 is: 69,887,331,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,021,839.84 : 125,977,618,340.37 = 50,642,934,368.49 : x
  2. Step 2: Convert to fraction form
    91,288,021,839.84/125,977,618,340.37 = 50,642,934,368.49/x
  3. Step 3: Cross multiply
    91,288,021,839.84x = 125,977,618,340.37 × 50,642,934,368.49
  4. Step 4: Simplify right side
    91,288,021,839.84x = 6,379,876,257,510,040,010,752
  5. Step 5: Solve for x
    x = 6,379,876,257,510,040,010,752/91,288,021,839.84
  6. Step 6: Final answer
    x = 69,887,331,644.71

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1.5x scale

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.