Home / 99,757,051.20-149,635,576.80-92,104,300.80

Finding the Fourth Proportional to 99,757,051.20, 149,635,576.80 and 92,104,300.80

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Solution

The fourth proportional to 99,757,051.20, 149,635,576.80 and 92,104,300.80 is: 138,156,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,757,051.20 : 149,635,576.80 = 92,104,300.80 : x
  2. Step 2: Convert to fraction form
    99,757,051.20/149,635,576.80 = 92,104,300.80/x
  3. Step 3: Cross multiply
    99,757,051.20x = 149,635,576.80 × 92,104,300.80
  4. Step 4: Simplify right side
    99,757,051.20x = 13,782,080,175,968,702
  5. Step 5: Solve for x
    x = 13,782,080,175,968,702/99,757,051.20
  6. Step 6: Final answer
    x = 138,156,451.20

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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.