Home / 222,749,221.26-307,397,200.59-123,636,327.69

Finding the Fourth Proportional to 222,749,221.26, 307,397,200.59 and 123,636,327.69

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Solution

The fourth proportional to 222,749,221.26, 307,397,200.59 and 123,636,327.69 is: 170,619,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,749,221.26 : 307,397,200.59 = 123,636,327.69 : x
  2. Step 2: Convert to fraction form
    222,749,221.26/307,397,200.59 = 123,636,327.69/x
  3. Step 3: Cross multiply
    222,749,221.26x = 307,397,200.59 × 123,636,327.69
  4. Step 4: Simplify right side
    222,749,221.26x = 38,005,461,023,133,896
  5. Step 5: Solve for x
    x = 38,005,461,023,133,896/222,749,221.26
  6. Step 6: Final answer
    x = 170,619,950.13

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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.