Home / 186,693,090.66-257,629,712.82-103,059,425.58

Finding the Fourth Proportional to 186,693,090.66, 257,629,712.82 and 103,059,425.58

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Solution

The fourth proportional to 186,693,090.66, 257,629,712.82 and 103,059,425.58 is: 142,218,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,693,090.66 : 257,629,712.82 = 103,059,425.58 : x
  2. Step 2: Convert to fraction form
    186,693,090.66/257,629,712.82 = 103,059,425.58/x
  3. Step 3: Cross multiply
    186,693,090.66x = 257,629,712.82 × 103,059,425.58
  4. Step 4: Simplify right side
    186,693,090.66x = 26,551,170,215,569,560
  5. Step 5: Solve for x
    x = 26,551,170,215,569,560/186,693,090.66
  6. Step 6: Final answer
    x = 142,218,279.86

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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.