Home / 123,270,242.07-170,115,687.72-70,345,896.03

Finding the Fourth Proportional to 123,270,242.07, 170,115,687.72 and 70,345,896.03

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Solution

The fourth proportional to 123,270,242.07, 170,115,687.72 and 70,345,896.03 is: 97,078,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,270,242.07 : 170,115,687.72 = 70,345,896.03 : x
  2. Step 2: Convert to fraction form
    123,270,242.07/170,115,687.72 = 70,345,896.03/x
  3. Step 3: Cross multiply
    123,270,242.07x = 170,115,687.72 × 70,345,896.03
  4. Step 4: Simplify right side
    123,270,242.07x = 11,966,940,481,423,068
  5. Step 5: Solve for x
    x = 11,966,940,481,423,068/123,270,242.07
  6. Step 6: Final answer
    x = 97,078,907.94

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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.