Home / 220,051,709.10-330,077,563.65-203,423,510.70

Finding the Fourth Proportional to 220,051,709.10, 330,077,563.65 and 203,423,510.70

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Solution

The fourth proportional to 220,051,709.10, 330,077,563.65 and 203,423,510.70 is: 305,135,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051,709.10 : 330,077,563.65 = 203,423,510.70 : x
  2. Step 2: Convert to fraction form
    220,051,709.10/330,077,563.65 = 203,423,510.70/x
  3. Step 3: Cross multiply
    220,051,709.10x = 330,077,563.65 × 203,423,510.70
  4. Step 4: Simplify right side
    220,051,709.10x = 67,145,536,800,985,696
  5. Step 5: Solve for x
    x = 67,145,536,800,985,696/220,051,709.10
  6. Step 6: Final answer
    x = 305,135,266.05

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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.