Home / 138,973,425.68-208,492,163.32-48,097,014.56

Finding the Fourth Proportional to 138,973,425.68, 208,492,163.32 and 48,097,014.56

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Solution

The fourth proportional to 138,973,425.68, 208,492,163.32 and 48,097,014.56 is: 72,156,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,973,425.68 : 208,492,163.32 = 48,097,014.56 : x
  2. Step 2: Convert to fraction form
    138,973,425.68/208,492,163.32 = 48,097,014.56/x
  3. Step 3: Cross multiply
    138,973,425.68x = 208,492,163.32 × 48,097,014.56
  4. Step 4: Simplify right side
    138,973,425.68x = 10,027,850,614,847,938
  5. Step 5: Solve for x
    x = 10,027,850,614,847,938/138,973,425.68
  6. Step 6: Final answer
    x = 72,156,605.23

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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.