Home / 109,414,845.20-164,122,267.80-45,581,142.80

Finding the Fourth Proportional to 109,414,845.20, 164,122,267.80 and 45,581,142.80

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Solution

The fourth proportional to 109,414,845.20, 164,122,267.80 and 45,581,142.80 is: 68,371,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,414,845.20 : 164,122,267.80 = 45,581,142.80 : x
  2. Step 2: Convert to fraction form
    109,414,845.20/164,122,267.80 = 45,581,142.80/x
  3. Step 3: Cross multiply
    109,414,845.20x = 164,122,267.80 × 45,581,142.80
  4. Step 4: Simplify right side
    109,414,845.20x = 7,480,880,525,251,642
  5. Step 5: Solve for x
    x = 7,480,880,525,251,642/109,414,845.20
  6. Step 6: Final answer
    x = 68,371,714.20

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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.