Home / 201,465,624.70-302,198,437.05-72,077,455.90

Finding the Fourth Proportional to 201,465,624.70, 302,198,437.05 and 72,077,455.90

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Solution

The fourth proportional to 201,465,624.70, 302,198,437.05 and 72,077,455.90 is: 108,116,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,465,624.70 : 302,198,437.05 = 72,077,455.90 : x
  2. Step 2: Convert to fraction form
    201,465,624.70/302,198,437.05 = 72,077,455.90/x
  3. Step 3: Cross multiply
    201,465,624.70x = 302,198,437.05 × 72,077,455.90
  4. Step 4: Simplify right side
    201,465,624.70x = 21,781,694,519,520,304
  5. Step 5: Solve for x
    x = 21,781,694,519,520,304/201,465,624.70
  6. Step 6: Final answer
    x = 108,116,183.85

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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.