Home / 127,804,252.80-191,594,404.80-76,706,601.60

Finding the Fourth Proportional to 127,804,252.80, 191,594,404.80 and 76,706,601.60

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Solution

The fourth proportional to 127,804,252.80, 191,594,404.80 and 76,706,601.60 is: 114,992,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,804,252.80 : 191,594,404.80 = 76,706,601.60 : x
  2. Step 2: Convert to fraction form
    127,804,252.80/191,594,404.80 = 76,706,601.60/x
  3. Step 3: Cross multiply
    127,804,252.80x = 191,594,404.80 × 76,706,601.60
  4. Step 4: Simplify right side
    127,804,252.80x = 14,696,555,677,782,728
  5. Step 5: Solve for x
    x = 14,696,555,677,782,728/127,804,252.80
  6. Step 6: Final answer
    x = 114,992,696.69

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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.