Home / 204,725,266.21-307,209,245.01-75,423,604.20

Finding the Fourth Proportional to 204,725,266.21, 307,209,245.01 and 75,423,604.20

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Solution

The fourth proportional to 204,725,266.21, 307,209,245.01 and 75,423,604.20 is: 113,180,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,725,266.21 : 307,209,245.01 = 75,423,604.20 : x
  2. Step 2: Convert to fraction form
    204,725,266.21/307,209,245.01 = 75,423,604.20/x
  3. Step 3: Cross multiply
    204,725,266.21x = 307,209,245.01 × 75,423,604.20
  4. Step 4: Simplify right side
    204,725,266.21x = 23,170,828,502,215,064
  5. Step 5: Solve for x
    x = 23,170,828,502,215,064/204,725,266.21
  6. Step 6: Final answer
    x = 113,180,111.72

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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.