Home / 56,771,890.10-85,172,198.10-15,831,333.65

Finding the Fourth Proportional to 56,771,890.10, 85,172,198.10 and 15,831,333.65

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Solution

The fourth proportional to 56,771,890.10, 85,172,198.10 and 15,831,333.65 is: 23,751,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771,890.10 : 85,172,198.10 = 15,831,333.65 : x
  2. Step 2: Convert to fraction form
    56,771,890.10/85,172,198.10 = 15,831,333.65/x
  3. Step 3: Cross multiply
    56,771,890.10x = 85,172,198.10 × 15,831,333.65
  4. Step 4: Simplify right side
    56,771,890.10x = 1,348,389,485,399,135
  5. Step 5: Solve for x
    x = 1,348,389,485,399,135/56,771,890.10
  6. Step 6: Final answer
    x = 23,751,005.70

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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.