Home / 74,380,900.35-111,571,350.53-66,302,997.15

Finding the Fourth Proportional to 74,380,900.35, 111,571,350.53 and 66,302,997.15

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Solution

The fourth proportional to 74,380,900.35, 111,571,350.53 and 66,302,997.15 is: 99,454,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,380,900.35 : 111,571,350.53 = 66,302,997.15 : x
  2. Step 2: Convert to fraction form
    74,380,900.35/111,571,350.53 = 66,302,997.15/x
  3. Step 3: Cross multiply
    74,380,900.35x = 111,571,350.53 × 66,302,997.15
  4. Step 4: Simplify right side
    74,380,900.35x = 7,397,514,935,880,726
  5. Step 5: Solve for x
    x = 7,397,514,935,880,726/74,380,900.35
  6. Step 6: Final answer
    x = 99,454,495.73

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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.