Home / 99,523,675.70-149,285,513.55-82,517,563.70

Finding the Fourth Proportional to 99,523,675.70, 149,285,513.55 and 82,517,563.70

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Solution

The fourth proportional to 99,523,675.70, 149,285,513.55 and 82,517,563.70 is: 123,776,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,523,675.70 : 149,285,513.55 = 82,517,563.70 : x
  2. Step 2: Convert to fraction form
    99,523,675.70/149,285,513.55 = 82,517,563.70/x
  3. Step 3: Cross multiply
    99,523,675.70x = 149,285,513.55 × 82,517,563.70
  4. Step 4: Simplify right side
    99,523,675.70x = 12,318,676,873,849,340
  5. Step 5: Solve for x
    x = 12,318,676,873,849,340/99,523,675.70
  6. Step 6: Final answer
    x = 123,776,345.55

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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.