Home / 208,354,840.93-287,534,959.97-114,272,733.73

Finding the Fourth Proportional to 208,354,840.93, 287,534,959.97 and 114,272,733.73

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Solution

The fourth proportional to 208,354,840.93, 287,534,959.97 and 114,272,733.73 is: 157,699,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,354,840.93 : 287,534,959.97 = 114,272,733.73 : x
  2. Step 2: Convert to fraction form
    208,354,840.93/287,534,959.97 = 114,272,733.73/x
  3. Step 3: Cross multiply
    208,354,840.93x = 287,534,959.97 × 114,272,733.73
  4. Step 4: Simplify right side
    208,354,840.93x = 32,857,405,918,718,024
  5. Step 5: Solve for x
    x = 32,857,405,918,718,024/208,354,840.93
  6. Step 6: Final answer
    x = 157,699,268.10

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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.