Home / 208,496,757.52-287,725,560.90-115,677,043.84

Finding the Fourth Proportional to 208,496,757.52, 287,725,560.90 and 115,677,043.84

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Solution

The fourth proportional to 208,496,757.52, 287,725,560.90 and 115,677,043.84 is: 159,634,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,496,757.52 : 287,725,560.90 = 115,677,043.84 : x
  2. Step 2: Convert to fraction form
    208,496,757.52/287,725,560.90 = 115,677,043.84/x
  3. Step 3: Cross multiply
    208,496,757.52x = 287,725,560.90 × 115,677,043.84
  4. Step 4: Simplify right side
    208,496,757.52x = 33,283,242,322,117,888
  5. Step 5: Solve for x
    x = 33,283,242,322,117,888/208,496,757.52
  6. Step 6: Final answer
    x = 159,634,340.21

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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.