Home / 56,683,890.04-85,039,326.60-18,345,404.20

Finding the Fourth Proportional to 56,683,890.04, 85,039,326.60 and 18,345,404.20

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Solution

The fourth proportional to 56,683,890.04, 85,039,326.60 and 18,345,404.20 is: 27,522,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683,890.04 : 85,039,326.60 = 18,345,404.20 : x
  2. Step 2: Convert to fraction form
    56,683,890.04/85,039,326.60 = 18,345,404.20/x
  3. Step 3: Cross multiply
    56,683,890.04x = 85,039,326.60 × 18,345,404.20
  4. Step 4: Simplify right side
    56,683,890.04x = 1,560,080,819,372,811.50
  5. Step 5: Solve for x
    x = 1,560,080,819,372,811.50/56,683,890.04
  6. Step 6: Final answer
    x = 27,522,472.76

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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.