Home / 211,305,747.40-316,958,621.10-146,735,665.90

Finding the Fourth Proportional to 211,305,747.40, 316,958,621.10 and 146,735,665.90

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Solution

The fourth proportional to 211,305,747.40, 316,958,621.10 and 146,735,665.90 is: 220,103,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,305,747.40 : 316,958,621.10 = 146,735,665.90 : x
  2. Step 2: Convert to fraction form
    211,305,747.40/316,958,621.10 = 146,735,665.90/x
  3. Step 3: Cross multiply
    211,305,747.40x = 316,958,621.10 × 146,735,665.90
  4. Step 4: Simplify right side
    211,305,747.40x = 46,509,134,329,854,296
  5. Step 5: Solve for x
    x = 46,509,134,329,854,296/211,305,747.40
  6. Step 6: Final answer
    x = 220,103,498.85

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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.