Home / 121,950,503.37-168,059,117.12-119,709,003.33

Finding the Fourth Proportional to 121,950,503.37, 168,059,117.12 and 119,709,003.33

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Solution

The fourth proportional to 121,950,503.37, 168,059,117.12 and 119,709,003.33 is: 164,970,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,950,503.37 : 168,059,117.12 = 119,709,003.33 : x
  2. Step 2: Convert to fraction form
    121,950,503.37/168,059,117.12 = 119,709,003.33/x
  3. Step 3: Cross multiply
    121,950,503.37x = 168,059,117.12 × 119,709,003.33
  4. Step 4: Simplify right side
    121,950,503.37x = 20,118,189,410,356,396
  5. Step 5: Solve for x
    x = 20,118,189,410,356,396/121,950,503.37
  6. Step 6: Final answer
    x = 164,970,121.93

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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.