Home / 151,333,879.32-208,815,463.94-84,338,205.35

Finding the Fourth Proportional to 151,333,879.32, 208,815,463.94 and 84,338,205.35

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Solution

The fourth proportional to 151,333,879.32, 208,815,463.94 and 84,338,205.35 is: 116,372,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,333,879.32 : 208,815,463.94 = 84,338,205.35 : x
  2. Step 2: Convert to fraction form
    151,333,879.32/208,815,463.94 = 84,338,205.35/x
  3. Step 3: Cross multiply
    151,333,879.32x = 208,815,463.94 × 84,338,205.35
  4. Step 4: Simplify right side
    151,333,879.32x = 17,611,121,477,916,236
  5. Step 5: Solve for x
    x = 17,611,121,477,916,236/151,333,879.32
  6. Step 6: Final answer
    x = 116,372,629.56

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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.