Home / 208,496,759.52-287,725,563.66-115,677,045.84

Finding the Fourth Proportional to 208,496,759.52, 287,725,563.66 and 115,677,045.84

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Solution

The fourth proportional to 208,496,759.52, 287,725,563.66 and 115,677,045.84 is: 159,634,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,496,759.52 : 287,725,563.66 = 115,677,045.84 : x
  2. Step 2: Convert to fraction form
    208,496,759.52/287,725,563.66 = 115,677,045.84/x
  3. Step 3: Cross multiply
    208,496,759.52x = 287,725,563.66 × 115,677,045.84
  4. Step 4: Simplify right side
    208,496,759.52x = 33,283,243,216,837,664
  5. Step 5: Solve for x
    x = 33,283,243,216,837,664/208,496,759.52
  6. Step 6: Final answer
    x = 159,634,342.97

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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.