Home / 52,123,094.83-71,928,914.16-28,917,723.57

Finding the Fourth Proportional to 52,123,094.83, 71,928,914.16 and 28,917,723.57

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Solution

The fourth proportional to 52,123,094.83, 71,928,914.16 and 28,917,723.57 is: 39,905,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123,094.83 : 71,928,914.16 = 28,917,723.57 : x
  2. Step 2: Convert to fraction form
    52,123,094.83/71,928,914.16 = 28,917,723.57/x
  3. Step 3: Cross multiply
    52,123,094.83x = 71,928,914.16 × 28,917,723.57
  4. Step 4: Simplify right side
    52,123,094.83x = 2,080,020,456,369,138.75
  5. Step 5: Solve for x
    x = 2,080,020,456,369,138.75/52,123,094.83
  6. Step 6: Final answer
    x = 39,905,927.75

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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.