Home / 82,450,811.70-123,676,217.55-28,598,123.70

Finding the Fourth Proportional to 82,450,811.70, 123,676,217.55 and 28,598,123.70

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Solution

The fourth proportional to 82,450,811.70, 123,676,217.55 and 28,598,123.70 is: 42,897,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,450,811.70 : 123,676,217.55 = 28,598,123.70 : x
  2. Step 2: Convert to fraction form
    82,450,811.70/123,676,217.55 = 28,598,123.70/x
  3. Step 3: Cross multiply
    82,450,811.70x = 123,676,217.55 × 28,598,123.70
  4. Step 4: Simplify right side
    82,450,811.70x = 3,536,907,768,243,011
  5. Step 5: Solve for x
    x = 3,536,907,768,243,011/82,450,811.70
  6. Step 6: Final answer
    x = 42,897,185.55

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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.