Home / 56,683,766.70-85,039,143.21-18,345,280.86

Finding the Fourth Proportional to 56,683,766.70, 85,039,143.21 and 18,345,280.86

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Solution

The fourth proportional to 56,683,766.70, 85,039,143.21 and 18,345,280.86 is: 27,522,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683,766.70 : 85,039,143.21 = 18,345,280.86 : x
  2. Step 2: Convert to fraction form
    56,683,766.70/85,039,143.21 = 18,345,280.86/x
  3. Step 3: Cross multiply
    56,683,766.70x = 85,039,143.21 × 18,345,280.86
  4. Step 4: Simplify right side
    56,683,766.70x = 1,560,066,966,281,211.75
  5. Step 5: Solve for x
    x = 1,560,066,966,281,211.75/56,683,766.70
  6. Step 6: Final answer
    x = 27,522,288.25

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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.