Home / 220,262,137.40-330,109,770.90-168,889,507.40

Finding the Fourth Proportional to 220,262,137.40, 330,109,770.90 and 168,889,507.40

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Solution

The fourth proportional to 220,262,137.40, 330,109,770.90 and 168,889,507.40 is: 253,116,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,262,137.40 : 330,109,770.90 = 168,889,507.40 : x
  2. Step 2: Convert to fraction form
    220,262,137.40/330,109,770.90 = 168,889,507.40/x
  3. Step 3: Cross multiply
    220,262,137.40x = 330,109,770.90 × 168,889,507.40
  4. Step 4: Simplify right side
    220,262,137.40x = 55,752,076,595,227,856
  5. Step 5: Solve for x
    x = 55,752,076,595,227,856/220,262,137.40
  6. Step 6: Final answer
    x = 253,116,932.64

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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.