Home / 57,102,490.08-78,801,536.30-30,997,025.64

Finding the Fourth Proportional to 57,102,490.08, 78,801,536.30 and 30,997,025.64

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Solution

The fourth proportional to 57,102,490.08, 78,801,536.30 and 30,997,025.64 is: 42,775,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,490.08 : 78,801,536.30 = 30,997,025.64 : x
  2. Step 2: Convert to fraction form
    57,102,490.08/78,801,536.30 = 30,997,025.64/x
  3. Step 3: Cross multiply
    57,102,490.08x = 78,801,536.30 × 30,997,025.64
  4. Step 4: Simplify right side
    57,102,490.08x = 2,442,613,241,007,505.50
  5. Step 5: Solve for x
    x = 2,442,613,241,007,505.50/57,102,490.08
  6. Step 6: Final answer
    x = 42,775,949.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.