Home / 149,468,047.20-224,202,070.80-72,940,543.20

Finding the Fourth Proportional to 149,468,047.20, 224,202,070.80 and 72,940,543.20

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Solution

The fourth proportional to 149,468,047.20, 224,202,070.80 and 72,940,543.20 is: 109,410,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,468,047.20 : 224,202,070.80 = 72,940,543.20 : x
  2. Step 2: Convert to fraction form
    149,468,047.20/224,202,070.80 = 72,940,543.20/x
  3. Step 3: Cross multiply
    149,468,047.20x = 224,202,070.80 × 72,940,543.20
  4. Step 4: Simplify right side
    149,468,047.20x = 16,353,420,830,716,860
  5. Step 5: Solve for x
    x = 16,353,420,830,716,860/149,468,047.20
  6. Step 6: Final answer
    x = 109,410,814.80

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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.