Home / 53,438,077.92-73,744,239.60-28,991,267.04

Finding the Fourth Proportional to 53,438,077.92, 73,744,239.60 and 28,991,267.04

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Solution

The fourth proportional to 53,438,077.92, 73,744,239.60 and 28,991,267.04 is: 40,007,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438,077.92 : 73,744,239.60 = 28,991,267.04 : x
  2. Step 2: Convert to fraction form
    53,438,077.92/73,744,239.60 = 28,991,267.04/x
  3. Step 3: Cross multiply
    53,438,077.92x = 73,744,239.60 × 28,991,267.04
  4. Step 4: Simplify right side
    53,438,077.92x = 2,137,938,942,905,342.50
  5. Step 5: Solve for x
    x = 2,137,938,942,905,342.50/53,438,077.92
  6. Step 6: Final answer
    x = 40,007,781.46

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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.