Home / 208,139,194.60-287,231,864.16-114,055,635.64

Finding the Fourth Proportional to 208,139,194.60, 287,231,864.16 and 114,055,635.64

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Solution

The fourth proportional to 208,139,194.60, 287,231,864.16 and 114,055,635.64 is: 157,396,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,139,194.60 : 287,231,864.16 = 114,055,635.64 : x
  2. Step 2: Convert to fraction form
    208,139,194.60/287,231,864.16 = 114,055,635.64/x
  3. Step 3: Cross multiply
    208,139,194.60x = 287,231,864.16 × 114,055,635.64
  4. Step 4: Simplify right side
    208,139,194.60x = 32,760,412,842,830,936
  5. Step 5: Solve for x
    x = 32,760,412,842,830,936/208,139,194.60
  6. Step 6: Final answer
    x = 157,396,654.22

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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.