Home / 151,139,279.54-208,636,558.44-101,608,379.48

Finding the Fourth Proportional to 151,139,279.54, 208,636,558.44 and 101,608,379.48

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Solution

The fourth proportional to 151,139,279.54, 208,636,558.44 and 101,608,379.48 is: 140,262,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,139,279.54 : 208,636,558.44 = 101,608,379.48 : x
  2. Step 2: Convert to fraction form
    151,139,279.54/208,636,558.44 = 101,608,379.48/x
  3. Step 3: Cross multiply
    151,139,279.54x = 208,636,558.44 × 101,608,379.48
  4. Step 4: Simplify right side
    151,139,279.54x = 21,199,222,603,372,716
  5. Step 5: Solve for x
    x = 21,199,222,603,372,716/151,139,279.54
  6. Step 6: Final answer
    x = 140,262,826.90

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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.