Home / 52,252,888.92-72,002,643.30-40,420,272.30

Finding the Fourth Proportional to 52,252,888.92, 72,002,643.30 and 40,420,272.30

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Solution

The fourth proportional to 52,252,888.92, 72,002,643.30 and 40,420,272.30 is: 55,697,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,252,888.92 : 72,002,643.30 = 40,420,272.30 : x
  2. Step 2: Convert to fraction form
    52,252,888.92/72,002,643.30 = 40,420,272.30/x
  3. Step 3: Cross multiply
    52,252,888.92x = 72,002,643.30 × 40,420,272.30
  4. Step 4: Simplify right side
    52,252,888.92x = 2,910,366,448,505,770.50
  5. Step 5: Solve for x
    x = 2,910,366,448,505,770.50/52,252,888.92
  6. Step 6: Final answer
    x = 55,697,713.73

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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.