Home / 52,123,100.34-71,928,921.74-28,917,729.12

Finding the Fourth Proportional to 52,123,100.34, 71,928,921.74 and 28,917,729.12

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Solution

The fourth proportional to 52,123,100.34, 71,928,921.74 and 28,917,729.12 is: 39,905,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123,100.34 : 71,928,921.74 = 28,917,729.12 : x
  2. Step 2: Convert to fraction form
    52,123,100.34/71,928,921.74 = 28,917,729.12/x
  3. Step 3: Cross multiply
    52,123,100.34x = 71,928,921.74 × 28,917,729.12
  4. Step 4: Simplify right side
    52,123,100.34x = 2,080,021,074,770,999
  5. Step 5: Solve for x
    x = 2,080,021,074,770,999/52,123,100.34
  6. Step 6: Final answer
    x = 39,905,935.40

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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.