Home / 189,179,328.22-261,067,357.47-102,259,200.22

Finding the Fourth Proportional to 189,179,328.22, 261,067,357.47 and 102,259,200.22

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Solution

The fourth proportional to 189,179,328.22, 261,067,357.47 and 102,259,200.22 is: 141,117,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,179,328.22 : 261,067,357.47 = 102,259,200.22 : x
  2. Step 2: Convert to fraction form
    189,179,328.22/261,067,357.47 = 102,259,200.22/x
  3. Step 3: Cross multiply
    189,179,328.22x = 261,067,357.47 × 102,259,200.22
  4. Step 4: Simplify right side
    189,179,328.22x = 26,696,539,178,431,044
  5. Step 5: Solve for x
    x = 26,696,539,178,431,044/189,179,328.22
  6. Step 6: Final answer
    x = 141,117,633.89

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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.