Home / 123,905,585.92-170,989,796.28-68,155,247.88

Finding the Fourth Proportional to 123,905,585.92, 170,989,796.28 and 68,155,247.88

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Solution

The fourth proportional to 123,905,585.92, 170,989,796.28 and 68,155,247.88 is: 94,054,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,905,585.92 : 170,989,796.28 = 68,155,247.88 : x
  2. Step 2: Convert to fraction form
    123,905,585.92/170,989,796.28 = 68,155,247.88/x
  3. Step 3: Cross multiply
    123,905,585.92x = 170,989,796.28 × 68,155,247.88
  4. Step 4: Simplify right side
    123,905,585.92x = 11,653,851,950,131,338
  5. Step 5: Solve for x
    x = 11,653,851,950,131,338/123,905,585.92
  6. Step 6: Final answer
    x = 94,054,290.32

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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.