Home / 208,673,092.86-287,957,627.01-115,847,625.30

Finding the Fourth Proportional to 208,673,092.86, 287,957,627.01 and 115,847,625.30

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Solution

The fourth proportional to 208,673,092.86, 287,957,627.01 and 115,847,625.30 is: 159,863,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,673,092.86 : 287,957,627.01 = 115,847,625.30 : x
  2. Step 2: Convert to fraction form
    208,673,092.86/287,957,627.01 = 115,847,625.30/x
  3. Step 3: Cross multiply
    208,673,092.86x = 287,957,627.01 × 115,847,625.30
  4. Step 4: Simplify right side
    208,673,092.86x = 33,359,207,276,131,636
  5. Step 5: Solve for x
    x = 33,359,207,276,131,636/208,673,092.86
  6. Step 6: Final answer
    x = 159,863,482.25

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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.