Home / 222,286,538.98-306,755,784.32-121,799,008.04

Finding the Fourth Proportional to 222,286,538.98, 306,755,784.32 and 121,799,008.04

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Solution

The fourth proportional to 222,286,538.98, 306,755,784.32 and 121,799,008.04 is: 168,082,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,286,538.98 : 306,755,784.32 = 121,799,008.04 : x
  2. Step 2: Convert to fraction form
    222,286,538.98/306,755,784.32 = 121,799,008.04/x
  3. Step 3: Cross multiply
    222,286,538.98x = 306,755,784.32 × 121,799,008.04
  4. Step 4: Simplify right side
    222,286,538.98x = 37,362,550,240,510,112
  5. Step 5: Solve for x
    x = 37,362,550,240,510,112/222,286,538.98
  6. Step 6: Final answer
    x = 168,082,828.64

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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.