Home / 210,021,537.32-289,829,774.04-115,935,738.92

Finding the Fourth Proportional to 210,021,537.32, 289,829,774.04 and 115,935,738.92

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Solution

The fourth proportional to 210,021,537.32, 289,829,774.04 and 115,935,738.92 is: 159,991,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,021,537.32 : 289,829,774.04 = 115,935,738.92 : x
  2. Step 2: Convert to fraction form
    210,021,537.32/289,829,774.04 = 115,935,738.92/x
  3. Step 3: Cross multiply
    210,021,537.32x = 289,829,774.04 × 115,935,738.92
  4. Step 4: Simplify right side
    210,021,537.32x = 33,601,629,014,633,848
  5. Step 5: Solve for x
    x = 33,601,629,014,633,848/210,021,537.32
  6. Step 6: Final answer
    x = 159,991,348.71

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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.