Home / 320,207,370.84-480,321,688.67-110,115,995.72

Finding the Fourth Proportional to 320,207,370.84, 480,321,688.67 and 110,115,995.72

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Solution

The fourth proportional to 320,207,370.84, 480,321,688.67 and 110,115,995.72 is: 165,177,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,207,370.84 : 480,321,688.67 = 110,115,995.72 : x
  2. Step 2: Convert to fraction form
    320,207,370.84/480,321,688.67 = 110,115,995.72/x
  3. Step 3: Cross multiply
    320,207,370.84x = 480,321,688.67 × 110,115,995.72
  4. Step 4: Simplify right side
    320,207,370.84x = 52,891,101,016,387,312
  5. Step 5: Solve for x
    x = 52,891,101,016,387,312/320,207,370.84
  6. Step 6: Final answer
    x = 165,177,649.96

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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.