Home / 90,887,835.62-125,425,673.44-49,634,726.78

Finding the Fourth Proportional to 90,887,835.62, 125,425,673.44 and 49,634,726.78

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Solution

The fourth proportional to 90,887,835.62, 125,425,673.44 and 49,634,726.78 is: 68,496,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,887,835.62 : 125,425,673.44 = 49,634,726.78 : x
  2. Step 2: Convert to fraction form
    90,887,835.62/125,425,673.44 = 49,634,726.78/x
  3. Step 3: Cross multiply
    90,887,835.62x = 125,425,673.44 × 49,634,726.78
  4. Step 4: Simplify right side
    90,887,835.62x = 6,225,469,032,391,903
  5. Step 5: Solve for x
    x = 6,225,469,032,391,903/90,887,835.62
  6. Step 6: Final answer
    x = 68,496,174.32

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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.