Home / 149,512,009.20-224,310,004.20-72,837,538.80

Finding the Fourth Proportional to 149,512,009.20, 224,310,004.20 and 72,837,538.80

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Solution

The fourth proportional to 149,512,009.20, 224,310,004.20 and 72,837,538.80 is: 109,276,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,512,009.20 : 224,310,004.20 = 72,837,538.80 : x
  2. Step 2: Convert to fraction form
    149,512,009.20/224,310,004.20 = 72,837,538.80/x
  3. Step 3: Cross multiply
    149,512,009.20x = 224,310,004.20 × 72,837,538.80
  4. Step 4: Simplify right side
    149,512,009.20x = 16,338,188,634,145,662
  5. Step 5: Solve for x
    x = 16,338,188,634,145,662/149,512,009.20
  6. Step 6: Final answer
    x = 109,276,764.60

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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.