Home / 291,279,099.09-402,060,949.58-231,849,408.32

Finding the Fourth Proportional to 291,279,099.09, 402,060,949.58 and 231,849,408.32

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Solution

The fourth proportional to 291,279,099.09, 402,060,949.58 and 231,849,408.32 is: 320,028,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,279,099.09 : 402,060,949.58 = 231,849,408.32 : x
  2. Step 2: Convert to fraction form
    291,279,099.09/402,060,949.58 = 231,849,408.32/x
  3. Step 3: Cross multiply
    291,279,099.09x = 402,060,949.58 × 231,849,408.32
  4. Step 4: Simplify right side
    291,279,099.09x = 93,217,593,267,314,368
  5. Step 5: Solve for x
    x = 93,217,593,267,314,368/291,279,099.09
  6. Step 6: Final answer
    x = 320,028,431.69

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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.