Home / 126,032,116.80-189,048,175.20-107,136,436.80

Finding the Fourth Proportional to 126,032,116.80, 189,048,175.20 and 107,136,436.80

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Solution

The fourth proportional to 126,032,116.80, 189,048,175.20 and 107,136,436.80 is: 160,704,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,032,116.80 : 189,048,175.20 = 107,136,436.80 : x
  2. Step 2: Convert to fraction form
    126,032,116.80/189,048,175.20 = 107,136,436.80/x
  3. Step 3: Cross multiply
    126,032,116.80x = 189,048,175.20 × 107,136,436.80
  4. Step 4: Simplify right side
    126,032,116.80x = 20,253,947,874,470,124
  5. Step 5: Solve for x
    x = 20,253,947,874,470,124/126,032,116.80
  6. Step 6: Final answer
    x = 160,704,655.20

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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.