Home / 187,502,167,835.30-258,775,174,211.37-111,378,882,584.90

Finding the Fourth Proportional to 187,502,167,835.30, 258,775,174,211.37 and 111,378,882,584.90

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Solution

The fourth proportional to 187,502,167,835.30, 258,775,174,211.37 and 111,378,882,584.90 is: 153,716,034,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,502,167,835.30 : 258,775,174,211.37 = 111,378,882,584.90 : x
  2. Step 2: Convert to fraction form
    187,502,167,835.30/258,775,174,211.37 = 111,378,882,584.90/x
  3. Step 3: Cross multiply
    187,502,167,835.30x = 258,775,174,211.37 × 111,378,882,584.90
  4. Step 4: Simplify right side
    187,502,167,835.30x = 28,822,089,744,375,221,321,728
  5. Step 5: Solve for x
    x = 28,822,089,744,375,221,321,728/187,502,167,835.30
  6. Step 6: Final answer
    x = 153,716,034,737.75

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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.