Home / 82,210,149.84-123,289,409.82-26,865,364.72

Finding the Fourth Proportional to 82,210,149.84, 123,289,409.82 and 26,865,364.72

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Solution

The fourth proportional to 82,210,149.84, 123,289,409.82 and 26,865,364.72 is: 40,289,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,210,149.84 : 123,289,409.82 = 26,865,364.72 : x
  2. Step 2: Convert to fraction form
    82,210,149.84/123,289,409.82 = 26,865,364.72/x
  3. Step 3: Cross multiply
    82,210,149.84x = 123,289,409.82 × 26,865,364.72
  4. Step 4: Simplify right side
    82,210,149.84x = 3,312,214,960,927,849
  5. Step 5: Solve for x
    x = 3,312,214,960,927,849/82,210,149.84
  6. Step 6: Final answer
    x = 40,289,611.04

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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.