Home / 56,683,880.75-85,039,312.89-18,345,394.91

Finding the Fourth Proportional to 56,683,880.75, 85,039,312.89 and 18,345,394.91

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Solution

The fourth proportional to 56,683,880.75, 85,039,312.89 and 18,345,394.91 is: 27,522,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683,880.75 : 85,039,312.89 = 18,345,394.91 : x
  2. Step 2: Convert to fraction form
    56,683,880.75/85,039,312.89 = 18,345,394.91/x
  3. Step 3: Cross multiply
    56,683,880.75x = 85,039,312.89 × 18,345,394.91
  4. Step 4: Simplify right side
    56,683,880.75x = 1,560,079,777,416,907
  5. Step 5: Solve for x
    x = 1,560,079,777,416,907/56,683,880.75
  6. Step 6: Final answer
    x = 27,522,458.89

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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.