Home / 264,134,877.20-396,202,315.80-82,381,763.60

Finding the Fourth Proportional to 264,134,877.20, 396,202,315.80 and 82,381,763.60

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Solution

The fourth proportional to 264,134,877.20, 396,202,315.80 and 82,381,763.60 is: 123,572,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,134,877.20 : 396,202,315.80 = 82,381,763.60 : x
  2. Step 2: Convert to fraction form
    264,134,877.20/396,202,315.80 = 82,381,763.60/x
  3. Step 3: Cross multiply
    264,134,877.20x = 396,202,315.80 × 82,381,763.60
  4. Step 4: Simplify right side
    264,134,877.20x = 32,639,845,518,008,144
  5. Step 5: Solve for x
    x = 32,639,845,518,008,144/264,134,877.20
  6. Step 6: Final answer
    x = 123,572,645.40

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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.