Home / 53,438,026.30-73,744,168.29-28,991,215.42

Finding the Fourth Proportional to 53,438,026.30, 73,744,168.29 and 28,991,215.42

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Solution

The fourth proportional to 53,438,026.30, 73,744,168.29 and 28,991,215.42 is: 40,007,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438,026.30 : 73,744,168.29 = 28,991,215.42 : x
  2. Step 2: Convert to fraction form
    53,438,026.30/73,744,168.29 = 28,991,215.42/x
  3. Step 3: Cross multiply
    53,438,026.30x = 73,744,168.29 × 28,991,215.42
  4. Step 4: Simplify right side
    53,438,026.30x = 2,137,933,068,864,123.25
  5. Step 5: Solve for x
    x = 2,137,933,068,864,123.25/53,438,026.30
  6. Step 6: Final answer
    x = 40,007,710.18

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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.