Home / 234,664,520.67-323,853,406.50-155,141,417.67

Finding the Fourth Proportional to 234,664,520.67, 323,853,406.50 and 155,141,417.67

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Solution

The fourth proportional to 234,664,520.67, 323,853,406.50 and 155,141,417.67 is: 214,105,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,664,520.67 : 323,853,406.50 = 155,141,417.67 : x
  2. Step 2: Convert to fraction form
    234,664,520.67/323,853,406.50 = 155,141,417.67/x
  3. Step 3: Cross multiply
    234,664,520.67x = 323,853,406.50 × 155,141,417.67
  4. Step 4: Simplify right side
    234,664,520.67x = 50,243,076,601,949,392
  5. Step 5: Solve for x
    x = 50,243,076,601,949,392/234,664,520.67
  6. Step 6: Final answer
    x = 214,105,977.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.