Home / 264,434,672.40-396,652,008.60-82,700,221.20

Finding the Fourth Proportional to 264,434,672.40, 396,652,008.60 and 82,700,221.20

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Solution

The fourth proportional to 264,434,672.40, 396,652,008.60 and 82,700,221.20 is: 124,050,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,434,672.40 : 396,652,008.60 = 82,700,221.20 : x
  2. Step 2: Convert to fraction form
    264,434,672.40/396,652,008.60 = 82,700,221.20/x
  3. Step 3: Cross multiply
    264,434,672.40x = 396,652,008.60 × 82,700,221.20
  4. Step 4: Simplify right side
    264,434,672.40x = 32,803,208,850,644,304
  5. Step 5: Solve for x
    x = 32,803,208,850,644,304/264,434,672.40
  6. Step 6: Final answer
    x = 124,050,331.80

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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.