Home / 139,223,054.49-208,932,716.82-65,450,201.73

Finding the Fourth Proportional to 139,223,054.49, 208,932,716.82 and 65,450,201.73

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Solution

The fourth proportional to 139,223,054.49, 208,932,716.82 and 65,450,201.73 is: 98,221,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,223,054.49 : 208,932,716.82 = 65,450,201.73 : x
  2. Step 2: Convert to fraction form
    139,223,054.49/208,932,716.82 = 65,450,201.73/x
  3. Step 3: Cross multiply
    139,223,054.49x = 208,932,716.82 × 65,450,201.73
  4. Step 4: Simplify right side
    139,223,054.49x = 13,674,688,463,865,962
  5. Step 5: Solve for x
    x = 13,674,688,463,865,962/139,223,054.49
  6. Step 6: Final answer
    x = 98,221,436.92

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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.