Home / 52,116,133.82-71,928,886.32-28,918,734.18

Finding the Fourth Proportional to 52,116,133.82, 71,928,886.32 and 28,918,734.18

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Solution

The fourth proportional to 52,116,133.82, 71,928,886.32 and 28,918,734.18 is: 39,912,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,133.82 : 71,928,886.32 = 28,918,734.18 : x
  2. Step 2: Convert to fraction form
    52,116,133.82/71,928,886.32 = 28,918,734.18/x
  3. Step 3: Cross multiply
    52,116,133.82x = 71,928,886.32 × 28,918,734.18
  4. Step 4: Simplify right side
    52,116,133.82x = 2,080,092,343,351,518.25
  5. Step 5: Solve for x
    x = 2,080,092,343,351,518.25/52,116,133.82
  6. Step 6: Final answer
    x = 39,912,637.24

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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.