Home / 136,118,427,924.72-187,859,902,288.95-77,471,509,050.24

Finding the Fourth Proportional to 136,118,427,924.72, 187,859,902,288.95 and 77,471,509,050.24

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Solution

The fourth proportional to 136,118,427,924.72, 187,859,902,288.95 and 77,471,509,050.24 is: 106,920,057,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,118,427,924.72 : 187,859,902,288.95 = 77,471,509,050.24 : x
  2. Step 2: Convert to fraction form
    136,118,427,924.72/187,859,902,288.95 = 77,471,509,050.24/x
  3. Step 3: Cross multiply
    136,118,427,924.72x = 187,859,902,288.95 × 77,471,509,050.24
  4. Step 4: Simplify right side
    136,118,427,924.72x = 14,553,790,120,355,029,843,968
  5. Step 5: Solve for x
    x = 14,553,790,120,355,029,843,968/136,118,427,924.72
  6. Step 6: Final answer
    x = 106,920,057,351.85

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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.