Home / 82,021,771.41-113,136,710.81-52,606,512.06

Finding the Fourth Proportional to 82,021,771.41, 113,136,710.81 and 52,606,512.06

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Solution

The fourth proportional to 82,021,771.41, 113,136,710.81 and 52,606,512.06 is: 72,562,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,021,771.41 : 113,136,710.81 = 52,606,512.06 : x
  2. Step 2: Convert to fraction form
    82,021,771.41/113,136,710.81 = 52,606,512.06/x
  3. Step 3: Cross multiply
    82,021,771.41x = 113,136,710.81 × 52,606,512.06
  4. Step 4: Simplify right side
    82,021,771.41x = 5,951,727,741,391,965
  5. Step 5: Solve for x
    x = 5,951,727,741,391,965/82,021,771.41
  6. Step 6: Final answer
    x = 72,562,779.85

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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.