Home / 57,111,276-85,634,720.40-18,762,493.44

Finding the Fourth Proportional to 57,111,276, 85,634,720.40 and 18,762,493.44

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Solution

The fourth proportional to 57,111,276, 85,634,720.40 and 18,762,493.44 is: 28,133,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111,276 : 85,634,720.40 = 18,762,493.44 : x
  2. Step 2: Convert to fraction form
    57,111,276/85,634,720.40 = 18,762,493.44/x
  3. Step 3: Cross multiply
    57,111,276x = 85,634,720.40 × 18,762,493.44
  4. Step 4: Simplify right side
    57,111,276x = 1,606,720,879,741,234.50
  5. Step 5: Solve for x
    x = 1,606,720,879,741,234.50/57,111,276
  6. Step 6: Final answer
    x = 28,133,163.75

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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.