Home / 284,108,809.80-426,163,214.70-131,053,801.80

Finding the Fourth Proportional to 284,108,809.80, 426,163,214.70 and 131,053,801.80

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Solution

The fourth proportional to 284,108,809.80, 426,163,214.70 and 131,053,801.80 is: 196,580,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,108,809.80 : 426,163,214.70 = 131,053,801.80 : x
  2. Step 2: Convert to fraction form
    284,108,809.80/426,163,214.70 = 131,053,801.80/x
  3. Step 3: Cross multiply
    284,108,809.80x = 426,163,214.70 × 131,053,801.80
  4. Step 4: Simplify right side
    284,108,809.80x = 55,850,309,473,744,640
  5. Step 5: Solve for x
    x = 55,850,309,473,744,640/284,108,809.80
  6. Step 6: Final answer
    x = 196,580,702.70

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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.