Home / 139,134,181.20-208,638,286.20-52,843,909.20

Finding the Fourth Proportional to 139,134,181.20, 208,638,286.20 and 52,843,909.20

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Solution

The fourth proportional to 139,134,181.20, 208,638,286.20 and 52,843,909.20 is: 79,241,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,134,181.20 : 208,638,286.20 = 52,843,909.20 : x
  2. Step 2: Convert to fraction form
    139,134,181.20/208,638,286.20 = 52,843,909.20/x
  3. Step 3: Cross multiply
    139,134,181.20x = 208,638,286.20 × 52,843,909.20
  4. Step 4: Simplify right side
    139,134,181.20x = 11,025,262,651,596,414
  5. Step 5: Solve for x
    x = 11,025,262,651,596,414/139,134,181.20
  6. Step 6: Final answer
    x = 79,241,941.53

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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.