Home / 109,814,522.40-151,481,078.64-68,489,670.24

Finding the Fourth Proportional to 109,814,522.40, 151,481,078.64 and 68,489,670.24

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Solution

The fourth proportional to 109,814,522.40, 151,481,078.64 and 68,489,670.24 is: 94,476,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,814,522.40 : 151,481,078.64 = 68,489,670.24 : x
  2. Step 2: Convert to fraction form
    109,814,522.40/151,481,078.64 = 68,489,670.24/x
  3. Step 3: Cross multiply
    109,814,522.40x = 151,481,078.64 × 68,489,670.24
  4. Step 4: Simplify right side
    109,814,522.40x = 10,374,889,123,653,106
  5. Step 5: Solve for x
    x = 10,374,889,123,653,106/109,814,522.40
  6. Step 6: Final answer
    x = 94,476,476.31

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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.