Home / 127,993,601.71-176,600,453.07-77,756,816.13

Finding the Fourth Proportional to 127,993,601.71, 176,600,453.07 and 77,756,816.13

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Solution

The fourth proportional to 127,993,601.71, 176,600,453.07 and 77,756,816.13 is: 107,285,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,993,601.71 : 176,600,453.07 = 77,756,816.13 : x
  2. Step 2: Convert to fraction form
    127,993,601.71/176,600,453.07 = 77,756,816.13/x
  3. Step 3: Cross multiply
    127,993,601.71x = 176,600,453.07 × 77,756,816.13
  4. Step 4: Simplify right side
    127,993,601.71x = 13,731,888,957,838,682
  5. Step 5: Solve for x
    x = 13,731,888,957,838,682/127,993,601.71
  6. Step 6: Final answer
    x = 107,285,745.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.