Home / 208,632,095.97-287,897,890.29-115,805,296.50

Finding the Fourth Proportional to 208,632,095.97, 287,897,890.29 and 115,805,296.50

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Solution

The fourth proportional to 208,632,095.97, 287,897,890.29 and 115,805,296.50 is: 159,803,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,632,095.97 : 287,897,890.29 = 115,805,296.50 : x
  2. Step 2: Convert to fraction form
    208,632,095.97/287,897,890.29 = 115,805,296.50/x
  3. Step 3: Cross multiply
    208,632,095.97x = 287,897,890.29 × 115,805,296.50
  4. Step 4: Simplify right side
    208,632,095.97x = 33,340,100,546,757,924
  5. Step 5: Solve for x
    x = 33,340,100,546,757,924/208,632,095.97
  6. Step 6: Final answer
    x = 159,803,314.98

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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.