Home / 99,173,858.70-148,325,670.09-88,320,586.62

Finding the Fourth Proportional to 99,173,858.70, 148,325,670.09 and 88,320,586.62

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Solution

The fourth proportional to 99,173,858.70, 148,325,670.09 and 88,320,586.62 is: 132,093,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,173,858.70 : 148,325,670.09 = 88,320,586.62 : x
  2. Step 2: Convert to fraction form
    99,173,858.70/148,325,670.09 = 88,320,586.62/x
  3. Step 3: Cross multiply
    99,173,858.70x = 148,325,670.09 × 88,320,586.62
  4. Step 4: Simplify right side
    99,173,858.70x = 13,100,210,193,153,390
  5. Step 5: Solve for x
    x = 13,100,210,193,153,390/99,173,858.70
  6. Step 6: Final answer
    x = 132,093,379.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.