Home / 272,801,928.20-409,202,892.30-163,962,811.40

Finding the Fourth Proportional to 272,801,928.20, 409,202,892.30 and 163,962,811.40

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Solution

The fourth proportional to 272,801,928.20, 409,202,892.30 and 163,962,811.40 is: 245,944,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,801,928.20 : 409,202,892.30 = 163,962,811.40 : x
  2. Step 2: Convert to fraction form
    272,801,928.20/409,202,892.30 = 163,962,811.40/x
  3. Step 3: Cross multiply
    272,801,928.20x = 409,202,892.30 × 163,962,811.40
  4. Step 4: Simplify right side
    272,801,928.20x = 67,094,056,654,519,416
  5. Step 5: Solve for x
    x = 67,094,056,654,519,416/272,801,928.20
  6. Step 6: Final answer
    x = 245,944,217.10

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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.