Home / 49,212,505.45-67,915,320.87-28,304,543.89

Finding the Fourth Proportional to 49,212,505.45, 67,915,320.87 and 28,304,543.89

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Solution

The fourth proportional to 49,212,505.45, 67,915,320.87 and 28,304,543.89 is: 39,061,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212,505.45 : 67,915,320.87 = 28,304,543.89 : x
  2. Step 2: Convert to fraction form
    49,212,505.45/67,915,320.87 = 28,304,543.89/x
  3. Step 3: Cross multiply
    49,212,505.45x = 67,915,320.87 × 28,304,543.89
  4. Step 4: Simplify right side
    49,212,505.45x = 1,922,312,180,368,348.25
  5. Step 5: Solve for x
    x = 1,922,312,180,368,348.25/49,212,505.45
  6. Step 6: Final answer
    x = 39,061,457.30

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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.