Home / 264,256,411.80-396,384,617.70-72,780,187.80

Finding the Fourth Proportional to 264,256,411.80, 396,384,617.70 and 72,780,187.80

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Solution

The fourth proportional to 264,256,411.80, 396,384,617.70 and 72,780,187.80 is: 109,170,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,256,411.80 : 396,384,617.70 = 72,780,187.80 : x
  2. Step 2: Convert to fraction form
    264,256,411.80/396,384,617.70 = 72,780,187.80/x
  3. Step 3: Cross multiply
    264,256,411.80x = 396,384,617.70 × 72,780,187.80
  4. Step 4: Simplify right side
    264,256,411.80x = 28,848,946,917,237,204
  5. Step 5: Solve for x
    x = 28,848,946,917,237,204/264,256,411.80
  6. Step 6: Final answer
    x = 109,170,281.70

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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.