Home / 68,543,114.86-102,810,887.81-50,117,941.21

Finding the Fourth Proportional to 68,543,114.86, 102,810,887.81 and 50,117,941.21

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Solution

The fourth proportional to 68,543,114.86, 102,810,887.81 and 50,117,941.21 is: 75,174,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,543,114.86 : 102,810,887.81 = 50,117,941.21 : x
  2. Step 2: Convert to fraction form
    68,543,114.86/102,810,887.81 = 50,117,941.21/x
  3. Step 3: Cross multiply
    68,543,114.86x = 102,810,887.81 × 50,117,941.21
  4. Step 4: Simplify right side
    68,543,114.86x = 5,152,670,031,009,486
  5. Step 5: Solve for x
    x = 5,152,670,031,009,486/68,543,114.86
  6. Step 6: Final answer
    x = 75,174,144.65

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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.