Home / 305,142,063.39-457,702,859.88-132,618,862.53

Finding the Fourth Proportional to 305,142,063.39, 457,702,859.88 and 132,618,862.53

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Solution

The fourth proportional to 305,142,063.39, 457,702,859.88 and 132,618,862.53 is: 198,923,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,142,063.39 : 457,702,859.88 = 132,618,862.53 : x
  2. Step 2: Convert to fraction form
    305,142,063.39/457,702,859.88 = 132,618,862.53/x
  3. Step 3: Cross multiply
    305,142,063.39x = 457,702,859.88 × 132,618,862.53
  4. Step 4: Simplify right side
    305,142,063.39x = 60,700,032,654,013,576
  5. Step 5: Solve for x
    x = 60,700,032,654,013,576/305,142,063.39
  6. Step 6: Final answer
    x = 198,923,845.44

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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.