Home / 91,288,021,774.71-125,977,618,249.83-50,642,934,303.12

Finding the Fourth Proportional to 91,288,021,774.71, 125,977,618,249.83 and 50,642,934,303.12

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Solution

The fourth proportional to 91,288,021,774.71, 125,977,618,249.83 and 50,642,934,303.12 is: 69,887,331,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,021,774.71 : 125,977,618,249.83 = 50,642,934,303.12 : x
  2. Step 2: Convert to fraction form
    91,288,021,774.71/125,977,618,249.83 = 50,642,934,303.12/x
  3. Step 3: Cross multiply
    91,288,021,774.71x = 125,977,618,249.83 × 50,642,934,303.12
  4. Step 4: Simplify right side
    91,288,021,774.71x = 6,379,876,244,689,672,732,672
  5. Step 5: Solve for x
    x = 6,379,876,244,689,672,732,672/91,288,021,774.71
  6. Step 6: Final answer
    x = 69,887,331,554.13

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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.