Home / 82,376,077.58-123,560,123.04-30,570,779.70

Finding the Fourth Proportional to 82,376,077.58, 123,560,123.04 and 30,570,779.70

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Solution

The fourth proportional to 82,376,077.58, 123,560,123.04 and 30,570,779.70 is: 45,854,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,376,077.58 : 123,560,123.04 = 30,570,779.70 : x
  2. Step 2: Convert to fraction form
    82,376,077.58/123,560,123.04 = 30,570,779.70/x
  3. Step 3: Cross multiply
    82,376,077.58x = 123,560,123.04 × 30,570,779.70
  4. Step 4: Simplify right side
    82,376,077.58x = 3,777,329,301,160,734.50
  5. Step 5: Solve for x
    x = 3,777,329,301,160,734.50/82,376,077.58
  6. Step 6: Final answer
    x = 45,854,687.58

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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.