Home / 136,118,424,393.67-187,859,897,431.78-77,471,505,529.65

Finding the Fourth Proportional to 136,118,424,393.67, 187,859,897,431.78 and 77,471,505,529.65

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Solution

The fourth proportional to 136,118,424,393.67, 187,859,897,431.78 and 77,471,505,529.65 is: 106,920,052,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,118,424,393.67 : 187,859,897,431.78 = 77,471,505,529.65 : x
  2. Step 2: Convert to fraction form
    136,118,424,393.67/187,859,897,431.78 = 77,471,505,529.65/x
  3. Step 3: Cross multiply
    136,118,424,393.67x = 187,859,897,431.78 × 77,471,505,529.65
  4. Step 4: Simplify right side
    136,118,424,393.67x = 14,553,789,082,685,249,945,600
  5. Step 5: Solve for x
    x = 14,553,789,082,685,249,945,600/136,118,424,393.67
  6. Step 6: Final answer
    x = 106,920,052,502.18

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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.