Home / 77,337,914.82-106,724,194.20-42,530,605.26

Finding the Fourth Proportional to 77,337,914.82, 106,724,194.20 and 42,530,605.26

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Solution

The fourth proportional to 77,337,914.82, 106,724,194.20 and 42,530,605.26 is: 58,691,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,337,914.82 : 106,724,194.20 = 42,530,605.26 : x
  2. Step 2: Convert to fraction form
    77,337,914.82/106,724,194.20 = 42,530,605.26/x
  3. Step 3: Cross multiply
    77,337,914.82x = 106,724,194.20 × 42,530,605.26
  4. Step 4: Simplify right side
    77,337,914.82x = 4,539,044,575,211,781
  5. Step 5: Solve for x
    x = 4,539,044,575,211,781/77,337,914.82
  6. Step 6: Final answer
    x = 58,691,064.86

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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.