Home / 219,401,183.81-302,767,079.63-120,278,543.51

Finding the Fourth Proportional to 219,401,183.81, 302,767,079.63 and 120,278,543.51

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Solution

The fourth proportional to 219,401,183.81, 302,767,079.63 and 120,278,543.51 is: 165,980,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,401,183.81 : 302,767,079.63 = 120,278,543.51 : x
  2. Step 2: Convert to fraction form
    219,401,183.81/302,767,079.63 = 120,278,543.51/x
  3. Step 3: Cross multiply
    219,401,183.81x = 302,767,079.63 × 120,278,543.51
  4. Step 4: Simplify right side
    219,401,183.81x = 36,416,383,358,557,360
  5. Step 5: Solve for x
    x = 36,416,383,358,557,360/219,401,183.81
  6. Step 6: Final answer
    x = 165,980,797.04

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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.