Home / 82,014,163.70-123,011,914.35-21,436,013.30

Finding the Fourth Proportional to 82,014,163.70, 123,011,914.35 and 21,436,013.30

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Solution

The fourth proportional to 82,014,163.70, 123,011,914.35 and 21,436,013.30 is: 32,151,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,014,163.70 : 123,011,914.35 = 21,436,013.30 : x
  2. Step 2: Convert to fraction form
    82,014,163.70/123,011,914.35 = 21,436,013.30/x
  3. Step 3: Cross multiply
    82,014,163.70x = 123,011,914.35 × 21,436,013.30
  4. Step 4: Simplify right side
    82,014,163.70x = 2,636,885,032,065,061
  5. Step 5: Solve for x
    x = 2,636,885,032,065,061/82,014,163.70
  6. Step 6: Final answer
    x = 32,151,581.06

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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.