Home / 76,497,838.62-105,563,936.25-41,689,779.90

Finding the Fourth Proportional to 76,497,838.62, 105,563,936.25 and 41,689,779.90

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Solution

The fourth proportional to 76,497,838.62, 105,563,936.25 and 41,689,779.90 is: 57,530,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,497,838.62 : 105,563,936.25 = 41,689,779.90 : x
  2. Step 2: Convert to fraction form
    76,497,838.62/105,563,936.25 = 41,689,779.90/x
  3. Step 3: Cross multiply
    76,497,838.62x = 105,563,936.25 × 41,689,779.90
  4. Step 4: Simplify right side
    76,497,838.62x = 4,400,937,267,640,131
  5. Step 5: Solve for x
    x = 4,400,937,267,640,131/76,497,838.62
  6. Step 6: Final answer
    x = 57,530,217.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.