Home / 218,502,736.72-301,530,209.88-119,381,350.91

Finding the Fourth Proportional to 218,502,736.72, 301,530,209.88 and 119,381,350.91

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Solution

The fourth proportional to 218,502,736.72, 301,530,209.88 and 119,381,350.91 is: 164,744,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,502,736.72 : 301,530,209.88 = 119,381,350.91 : x
  2. Step 2: Convert to fraction form
    218,502,736.72/301,530,209.88 = 119,381,350.91/x
  3. Step 3: Cross multiply
    218,502,736.72x = 301,530,209.88 × 119,381,350.91
  4. Step 4: Simplify right side
    218,502,736.72x = 35,997,083,794,590,260
  5. Step 5: Solve for x
    x = 35,997,083,794,590,260/218,502,736.72
  6. Step 6: Final answer
    x = 164,744,315.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.