Home / 87,149,109,651.20-130,723,664,476.80-87,149,109,651.20

Finding the Fourth Proportional to 87,149,109,651.20, 130,723,664,476.80 and 87,149,109,651.20

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Solution

The fourth proportional to 87,149,109,651.20, 130,723,664,476.80 and 87,149,109,651.20 is: 130,723,664,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,149,109,651.20 : 130,723,664,476.80 = 87,149,109,651.20 : x
  2. Step 2: Convert to fraction form
    87,149,109,651.20/130,723,664,476.80 = 87,149,109,651.20/x
  3. Step 3: Cross multiply
    87,149,109,651.20x = 130,723,664,476.80 × 87,149,109,651.20
  4. Step 4: Simplify right side
    87,149,109,651.20x = 11,392,450,969,495,320,657,920
  5. Step 5: Solve for x
    x = 11,392,450,969,495,320,657,920/87,149,109,651.20
  6. Step 6: Final answer
    x = 130,723,664,476.80

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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.