Home / 101,970,311.70-153,000,672.84-53,436,626.40

Finding the Fourth Proportional to 101,970,311.70, 153,000,672.84 and 53,436,626.40

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Solution

The fourth proportional to 101,970,311.70, 153,000,672.84 and 53,436,626.40 is: 80,178,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,311.70 : 153,000,672.84 = 53,436,626.40 : x
  2. Step 2: Convert to fraction form
    101,970,311.70/153,000,672.84 = 53,436,626.40/x
  3. Step 3: Cross multiply
    101,970,311.70x = 153,000,672.84 × 53,436,626.40
  4. Step 4: Simplify right side
    101,970,311.70x = 8,175,839,793,499,707
  5. Step 5: Solve for x
    x = 8,175,839,793,499,707/101,970,311.70
  6. Step 6: Final answer
    x = 80,178,629.03

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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.