Home / 207,728,148.99-286,639,871.01-119,650,791.81

Finding the Fourth Proportional to 207,728,148.99, 286,639,871.01 and 119,650,791.81

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Solution

The fourth proportional to 207,728,148.99, 286,639,871.01 and 119,650,791.81 is: 165,103,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,728,148.99 : 286,639,871.01 = 119,650,791.81 : x
  2. Step 2: Convert to fraction form
    207,728,148.99/286,639,871.01 = 119,650,791.81/x
  3. Step 3: Cross multiply
    207,728,148.99x = 286,639,871.01 × 119,650,791.81
  4. Step 4: Simplify right side
    207,728,148.99x = 34,296,687,530,662,764
  5. Step 5: Solve for x
    x = 34,296,687,530,662,764/207,728,148.99
  6. Step 6: Final answer
    x = 165,103,707.41

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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.