Home / 220,208,460.64-303,907,039.16-121,106,671.56

Finding the Fourth Proportional to 220,208,460.64, 303,907,039.16 and 121,106,671.56

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Solution

The fourth proportional to 220,208,460.64, 303,907,039.16 and 121,106,671.56 is: 167,137,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,208,460.64 : 303,907,039.16 = 121,106,671.56 : x
  2. Step 2: Convert to fraction form
    220,208,460.64/303,907,039.16 = 121,106,671.56/x
  3. Step 3: Cross multiply
    220,208,460.64x = 303,907,039.16 × 121,106,671.56
  4. Step 4: Simplify right side
    220,208,460.64x = 36,805,169,976,322,184
  5. Step 5: Solve for x
    x = 36,805,169,976,322,184/220,208,460.64
  6. Step 6: Final answer
    x = 167,137,855.96

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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.