Home / 51,984,142.53-71,735,388.63-28,458,169.13

Finding the Fourth Proportional to 51,984,142.53, 71,735,388.63 and 28,458,169.13

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Solution

The fourth proportional to 51,984,142.53, 71,735,388.63 and 28,458,169.13 is: 39,270,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984,142.53 : 71,735,388.63 = 28,458,169.13 : x
  2. Step 2: Convert to fraction form
    51,984,142.53/71,735,388.63 = 28,458,169.13/x
  3. Step 3: Cross multiply
    51,984,142.53x = 71,735,388.63 × 28,458,169.13
  4. Step 4: Simplify right side
    51,984,142.53x = 2,041,457,822,311,439.25
  5. Step 5: Solve for x
    x = 2,041,457,822,311,439.25/51,984,142.53
  6. Step 6: Final answer
    x = 39,270,779.96

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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.