Home / 135,297,411.87-203,022,890.43-73,047,897.25

Finding the Fourth Proportional to 135,297,411.87, 203,022,890.43 and 73,047,897.25

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Solution

The fourth proportional to 135,297,411.87, 203,022,890.43 and 73,047,897.25 is: 109,613,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,297,411.87 : 203,022,890.43 = 73,047,897.25 : x
  2. Step 2: Convert to fraction form
    135,297,411.87/203,022,890.43 = 73,047,897.25/x
  3. Step 3: Cross multiply
    135,297,411.87x = 203,022,890.43 × 73,047,897.25
  4. Step 4: Simplify right side
    135,297,411.87x = 14,830,395,238,148,296
  5. Step 5: Solve for x
    x = 14,830,395,238,148,296/135,297,411.87
  6. Step 6: Final answer
    x = 109,613,295.88

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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.