Home / 55,055,731.60-82,578,260.96-16,717,582.72

Finding the Fourth Proportional to 55,055,731.60, 82,578,260.96 and 16,717,582.72

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Solution

The fourth proportional to 55,055,731.60, 82,578,260.96 and 16,717,582.72 is: 25,074,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055,731.60 : 82,578,260.96 = 16,717,582.72 : x
  2. Step 2: Convert to fraction form
    55,055,731.60/82,578,260.96 = 16,717,582.72/x
  3. Step 3: Cross multiply
    55,055,731.60x = 82,578,260.96 × 16,717,582.72
  4. Step 4: Simplify right side
    55,055,731.60x = 1,380,508,908,472,546.50
  5. Step 5: Solve for x
    x = 1,380,508,908,472,546.50/55,055,731.60
  6. Step 6: Final answer
    x = 25,074,753.68

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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.