Home / 187,218,349.60-258,359,917.26-104,712,134.32

Finding the Fourth Proportional to 187,218,349.60, 258,359,917.26 and 104,712,134.32

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Solution

The fourth proportional to 187,218,349.60, 258,359,917.26 and 104,712,134.32 is: 144,501,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,218,349.60 : 258,359,917.26 = 104,712,134.32 : x
  2. Step 2: Convert to fraction form
    187,218,349.60/258,359,917.26 = 104,712,134.32/x
  3. Step 3: Cross multiply
    187,218,349.60x = 258,359,917.26 × 104,712,134.32
  4. Step 4: Simplify right side
    187,218,349.60x = 27,053,418,359,033,204
  5. Step 5: Solve for x
    x = 27,053,418,359,033,204/187,218,349.60
  6. Step 6: Final answer
    x = 144,501,959.43

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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.