Home / 52,188,629.42-72,016,108.55-30,163,555.40

Finding the Fourth Proportional to 52,188,629.42, 72,016,108.55 and 30,163,555.40

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Solution

The fourth proportional to 52,188,629.42, 72,016,108.55 and 30,163,555.40 is: 41,623,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,188,629.42 : 72,016,108.55 = 30,163,555.40 : x
  2. Step 2: Convert to fraction form
    52,188,629.42/72,016,108.55 = 30,163,555.40/x
  3. Step 3: Cross multiply
    52,188,629.42x = 72,016,108.55 × 30,163,555.40
  4. Step 4: Simplify right side
    52,188,629.42x = 2,172,261,879,940,338.50
  5. Step 5: Solve for x
    x = 2,172,261,879,940,338.50/52,188,629.42
  6. Step 6: Final answer
    x = 41,623,278.94

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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.