Home / 219,401,184.81-302,767,081-120,278,544.51

Finding the Fourth Proportional to 219,401,184.81, 302,767,081 and 120,278,544.51

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Solution

The fourth proportional to 219,401,184.81, 302,767,081 and 120,278,544.51 is: 165,980,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,401,184.81 : 302,767,081 = 120,278,544.51 : x
  2. Step 2: Convert to fraction form
    219,401,184.81/302,767,081 = 120,278,544.51/x
  3. Step 3: Cross multiply
    219,401,184.81x = 302,767,081 × 120,278,544.51
  4. Step 4: Simplify right side
    219,401,184.81x = 36,416,383,828,221,280
  5. Step 5: Solve for x
    x = 36,416,383,828,221,280/219,401,184.81
  6. Step 6: Final answer
    x = 165,980,798.42

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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.