Home / 136,118,407,297.37-187,859,874,267.54-77,471,489,207.83

Finding the Fourth Proportional to 136,118,407,297.37, 187,859,874,267.54 and 77,471,489,207.83

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Solution

The fourth proportional to 136,118,407,297.37, 187,859,874,267.54 and 77,471,489,207.83 is: 106,920,030,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,118,407,297.37 : 187,859,874,267.54 = 77,471,489,207.83 : x
  2. Step 2: Convert to fraction form
    136,118,407,297.37/187,859,874,267.54 = 77,471,489,207.83/x
  3. Step 3: Cross multiply
    136,118,407,297.37x = 187,859,874,267.54 × 77,471,489,207.83
  4. Step 4: Simplify right side
    136,118,407,297.37x = 14,553,784,221,902,401,699,840
  5. Step 5: Solve for x
    x = 14,553,784,221,902,401,699,840/136,118,407,297.37
  6. Step 6: Final answer
    x = 106,920,030,221.24

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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.