Home / 162,244,518.82-243,366,778.43-39,422,205.16

Finding the Fourth Proportional to 162,244,518.82, 243,366,778.43 and 39,422,205.16

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Solution

The fourth proportional to 162,244,518.82, 243,366,778.43 and 39,422,205.16 is: 59,133,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,244,518.82 : 243,366,778.43 = 39,422,205.16 : x
  2. Step 2: Convert to fraction form
    162,244,518.82/243,366,778.43 = 39,422,205.16/x
  3. Step 3: Cross multiply
    162,244,518.82x = 243,366,778.43 × 39,422,205.16
  4. Step 4: Simplify right side
    162,244,518.82x = 9,594,055,066,981,778
  5. Step 5: Solve for x
    x = 9,594,055,066,981,778/162,244,518.82
  6. Step 6: Final answer
    x = 59,133,307.78

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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.