Home / 208,906,308.73-288,293,318.44-114,830,726.79

Finding the Fourth Proportional to 208,906,308.73, 288,293,318.44 and 114,830,726.79

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Solution

The fourth proportional to 208,906,308.73, 288,293,318.44 and 114,830,726.79 is: 158,467,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,906,308.73 : 288,293,318.44 = 114,830,726.79 : x
  2. Step 2: Convert to fraction form
    208,906,308.73/288,293,318.44 = 114,830,726.79/x
  3. Step 3: Cross multiply
    208,906,308.73x = 288,293,318.44 × 114,830,726.79
  4. Step 4: Simplify right side
    208,906,308.73x = 33,104,931,285,960,132
  5. Step 5: Solve for x
    x = 33,104,931,285,960,132/208,906,308.73
  6. Step 6: Final answer
    x = 158,467,838.94

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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.