Home / 208,496,754.96-287,725,557.42-115,677,041.37

Finding the Fourth Proportional to 208,496,754.96, 287,725,557.42 and 115,677,041.37

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Solution

The fourth proportional to 208,496,754.96, 287,725,557.42 and 115,677,041.37 is: 159,634,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,496,754.96 : 287,725,557.42 = 115,677,041.37 : x
  2. Step 2: Convert to fraction form
    208,496,754.96/287,725,557.42 = 115,677,041.37/x
  3. Step 3: Cross multiply
    208,496,754.96x = 287,725,557.42 × 115,677,041.37
  4. Step 4: Simplify right side
    208,496,754.96x = 33,283,241,208,879,652
  5. Step 5: Solve for x
    x = 33,283,241,208,879,652/208,496,754.96
  6. Step 6: Final answer
    x = 159,634,336.83

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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.