Home / 56,683,886.76-85,039,321.89-18,345,400.92

Finding the Fourth Proportional to 56,683,886.76, 85,039,321.89 and 18,345,400.92

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Solution

The fourth proportional to 56,683,886.76, 85,039,321.89 and 18,345,400.92 is: 27,522,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683,886.76 : 85,039,321.89 = 18,345,400.92 : x
  2. Step 2: Convert to fraction form
    56,683,886.76/85,039,321.89 = 18,345,400.92/x
  3. Step 3: Cross multiply
    56,683,886.76x = 85,039,321.89 × 18,345,400.92
  4. Step 4: Simplify right side
    56,683,886.76x = 1,560,080,454,036,982.25
  5. Step 5: Solve for x
    x = 1,560,080,454,036,982.25/56,683,886.76
  6. Step 6: Final answer
    x = 27,522,467.90

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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.