Home / 123,880,961.45-170,952,317.82-68,126,381.28

Finding the Fourth Proportional to 123,880,961.45, 170,952,317.82 and 68,126,381.28

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Solution

The fourth proportional to 123,880,961.45, 170,952,317.82 and 68,126,381.28 is: 94,012,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,880,961.45 : 170,952,317.82 = 68,126,381.28 : x
  2. Step 2: Convert to fraction form
    123,880,961.45/170,952,317.82 = 68,126,381.28/x
  3. Step 3: Cross multiply
    123,880,961.45x = 170,952,317.82 × 68,126,381.28
  4. Step 4: Simplify right side
    123,880,961.45x = 11,646,362,784,505,058
  5. Step 5: Solve for x
    x = 11,646,362,784,505,058/123,880,961.45
  6. Step 6: Final answer
    x = 94,012,531.45

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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.