Home / 123,239,629.82-170,076,003.28-68,235,491.18

Finding the Fourth Proportional to 123,239,629.82, 170,076,003.28 and 68,235,491.18

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Solution

The fourth proportional to 123,239,629.82, 170,076,003.28 and 68,235,491.18 is: 94,167,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,239,629.82 : 170,076,003.28 = 68,235,491.18 : x
  2. Step 2: Convert to fraction form
    123,239,629.82/170,076,003.28 = 68,235,491.18/x
  3. Step 3: Cross multiply
    123,239,629.82x = 170,076,003.28 × 68,235,491.18
  4. Step 4: Simplify right side
    123,239,629.82x = 11,605,219,621,742,092
  5. Step 5: Solve for x
    x = 11,605,219,621,742,092/123,239,629.82
  6. Step 6: Final answer
    x = 94,167,920.16

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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.