Home / 85,150,204.29-117,558,326.40-55,832,680.08

Finding the Fourth Proportional to 85,150,204.29, 117,558,326.40 and 55,832,680.08

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Solution

The fourth proportional to 85,150,204.29, 117,558,326.40 and 55,832,680.08 is: 77,082,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,150,204.29 : 117,558,326.40 = 55,832,680.08 : x
  2. Step 2: Convert to fraction form
    85,150,204.29/117,558,326.40 = 55,832,680.08/x
  3. Step 3: Cross multiply
    85,150,204.29x = 117,558,326.40 × 55,832,680.08
  4. Step 4: Simplify right side
    85,150,204.29x = 6,563,596,428,631,418
  5. Step 5: Solve for x
    x = 6,563,596,428,631,418/85,150,204.29
  6. Step 6: Final answer
    x = 77,082,568.19

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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.