Home / 55,013,599.50-75,913,837.20-30,233,500.74

Finding the Fourth Proportional to 55,013,599.50, 75,913,837.20 and 30,233,500.74

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Solution

The fourth proportional to 55,013,599.50, 75,913,837.20 and 30,233,500.74 is: 41,719,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013,599.50 : 75,913,837.20 = 30,233,500.74 : x
  2. Step 2: Convert to fraction form
    55,013,599.50/75,913,837.20 = 30,233,500.74/x
  3. Step 3: Cross multiply
    55,013,599.50x = 75,913,837.20 × 30,233,500.74
  4. Step 4: Simplify right side
    55,013,599.50x = 2,295,141,053,162,439.50
  5. Step 5: Solve for x
    x = 2,295,141,053,162,439.50/55,013,599.50
  6. Step 6: Final answer
    x = 41,719,521.61

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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.