Home / 220,051,712.10-330,077,568.15-203,423,513.70

Finding the Fourth Proportional to 220,051,712.10, 330,077,568.15 and 203,423,513.70

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Solution

The fourth proportional to 220,051,712.10, 330,077,568.15 and 203,423,513.70 is: 305,135,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051,712.10 : 330,077,568.15 = 203,423,513.70 : x
  2. Step 2: Convert to fraction form
    220,051,712.10/330,077,568.15 = 203,423,513.70/x
  3. Step 3: Cross multiply
    220,051,712.10x = 330,077,568.15 × 203,423,513.70
  4. Step 4: Simplify right side
    220,051,712.10x = 67,145,538,706,624,200
  5. Step 5: Solve for x
    x = 67,145,538,706,624,200/220,051,712.10
  6. Step 6: Final answer
    x = 305,135,270.55

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1.5x scale

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.