Home / 291,279,100.09-402,060,950.96-231,849,409.32

Finding the Fourth Proportional to 291,279,100.09, 402,060,950.96 and 231,849,409.32

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Solution

The fourth proportional to 291,279,100.09, 402,060,950.96 and 231,849,409.32 is: 320,028,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,279,100.09 : 402,060,950.96 = 231,849,409.32 : x
  2. Step 2: Convert to fraction form
    291,279,100.09/402,060,950.96 = 231,849,409.32/x
  3. Step 3: Cross multiply
    291,279,100.09x = 402,060,950.96 × 231,849,409.32
  4. Step 4: Simplify right side
    291,279,100.09x = 93,217,593,990,713,472
  5. Step 5: Solve for x
    x = 93,217,593,990,713,472/291,279,100.09
  6. Step 6: Final answer
    x = 320,028,433.08

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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.