Home / 204,725,271.78-307,209,253.35-75,423,609.77

Finding the Fourth Proportional to 204,725,271.78, 307,209,253.35 and 75,423,609.77

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Solution

The fourth proportional to 204,725,271.78, 307,209,253.35 and 75,423,609.77 is: 113,180,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,725,271.78 : 307,209,253.35 = 75,423,609.77 : x
  2. Step 2: Convert to fraction form
    204,725,271.78/307,209,253.35 = 75,423,609.77/x
  3. Step 3: Cross multiply
    204,725,271.78x = 307,209,253.35 × 75,423,609.77
  4. Step 4: Simplify right side
    204,725,271.78x = 23,170,830,840,867,420
  5. Step 5: Solve for x
    x = 23,170,830,840,867,420/204,725,271.78
  6. Step 6: Final answer
    x = 113,180,120.07

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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.