Home / 48,278,311.20-72,322,988.40-29,051,956.80

Finding the Fourth Proportional to 48,278,311.20, 72,322,988.40 and 29,051,956.80

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Solution

The fourth proportional to 48,278,311.20, 72,322,988.40 and 29,051,956.80 is: 43,521,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278,311.20 : 72,322,988.40 = 29,051,956.80 : x
  2. Step 2: Convert to fraction form
    48,278,311.20/72,322,988.40 = 29,051,956.80/x
  3. Step 3: Cross multiply
    48,278,311.20x = 72,322,988.40 × 29,051,956.80
  4. Step 4: Simplify right side
    48,278,311.20x = 2,101,124,334,643,701.25
  5. Step 5: Solve for x
    x = 2,101,124,334,643,701.25/48,278,311.20
  6. Step 6: Final answer
    x = 43,521,081.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.