Home / 259,797,535.73-389,824,341.51-121,632,498.53

Finding the Fourth Proportional to 259,797,535.73, 389,824,341.51 and 121,632,498.53

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Solution

The fourth proportional to 259,797,535.73, 389,824,341.51 and 121,632,498.53 is: 182,508,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,797,535.73 : 389,824,341.51 = 121,632,498.53 : x
  2. Step 2: Convert to fraction form
    259,797,535.73/389,824,341.51 = 121,632,498.53/x
  3. Step 3: Cross multiply
    259,797,535.73x = 389,824,341.51 × 121,632,498.53
  4. Step 4: Simplify right side
    259,797,535.73x = 47,415,308,645,642,136
  5. Step 5: Solve for x
    x = 47,415,308,645,642,136/259,797,535.73
  6. Step 6: Final answer
    x = 182,508,692.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.