Home / 129,345,005.10-193,734,072.45-114,984,288.30

Finding the Fourth Proportional to 129,345,005.10, 193,734,072.45 and 114,984,288.30

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Solution

The fourth proportional to 129,345,005.10, 193,734,072.45 and 114,984,288.30 is: 172,224,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,345,005.10 : 193,734,072.45 = 114,984,288.30 : x
  2. Step 2: Convert to fraction form
    129,345,005.10/193,734,072.45 = 114,984,288.30/x
  3. Step 3: Cross multiply
    129,345,005.10x = 193,734,072.45 × 114,984,288.30
  4. Step 4: Simplify right side
    129,345,005.10x = 22,276,374,440,123,884
  5. Step 5: Solve for x
    x = 22,276,374,440,123,884/129,345,005.10
  6. Step 6: Final answer
    x = 172,224,466.05

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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.