Home / 214,076,051.40-321,114,077.10-149,505,969.90

Finding the Fourth Proportional to 214,076,051.40, 321,114,077.10 and 149,505,969.90

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Solution

The fourth proportional to 214,076,051.40, 321,114,077.10 and 149,505,969.90 is: 224,258,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,076,051.40 : 321,114,077.10 = 149,505,969.90 : x
  2. Step 2: Convert to fraction form
    214,076,051.40/321,114,077.10 = 149,505,969.90/x
  3. Step 3: Cross multiply
    214,076,051.40x = 321,114,077.10 × 149,505,969.90
  4. Step 4: Simplify right side
    214,076,051.40x = 48,008,471,545,378,888
  5. Step 5: Solve for x
    x = 48,008,471,545,378,888/214,076,051.40
  6. Step 6: Final answer
    x = 224,258,954.85

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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.