Home / 52,116,134.07-71,928,886.67-28,918,734.42

Finding the Fourth Proportional to 52,116,134.07, 71,928,886.67 and 28,918,734.42

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Solution

The fourth proportional to 52,116,134.07, 71,928,886.67 and 28,918,734.42 is: 39,912,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,134.07 : 71,928,886.67 = 28,918,734.42 : x
  2. Step 2: Convert to fraction form
    52,116,134.07/71,928,886.67 = 28,918,734.42/x
  3. Step 3: Cross multiply
    52,116,134.07x = 71,928,886.67 × 28,918,734.42
  4. Step 4: Simplify right side
    52,116,134.07x = 2,080,092,370,591,414.75
  5. Step 5: Solve for x
    x = 2,080,092,370,591,414.75/52,116,134.07
  6. Step 6: Final answer
    x = 39,912,637.57

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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.