Home / 109,748,261.40-164,622,392.10-68,933,592.60

Finding the Fourth Proportional to 109,748,261.40, 164,622,392.10 and 68,933,592.60

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Solution

The fourth proportional to 109,748,261.40, 164,622,392.10 and 68,933,592.60 is: 103,400,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,748,261.40 : 164,622,392.10 = 68,933,592.60 : x
  2. Step 2: Convert to fraction form
    109,748,261.40/164,622,392.10 = 68,933,592.60/x
  3. Step 3: Cross multiply
    109,748,261.40x = 164,622,392.10 × 68,933,592.60
  4. Step 4: Simplify right side
    109,748,261.40x = 11,348,012,909,858,858
  5. Step 5: Solve for x
    x = 11,348,012,909,858,858/109,748,261.40
  6. Step 6: Final answer
    x = 103,400,388.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.