Home / 45,640,318.51-68,468,449.38-20,080,663.62

Finding the Fourth Proportional to 45,640,318.51, 68,468,449.38 and 20,080,663.62

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Solution

The fourth proportional to 45,640,318.51, 68,468,449.38 and 20,080,663.62 is: 30,124,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,640,318.51 : 68,468,449.38 = 20,080,663.62 : x
  2. Step 2: Convert to fraction form
    45,640,318.51/68,468,449.38 = 20,080,663.62/x
  3. Step 3: Cross multiply
    45,640,318.51x = 68,468,449.38 × 20,080,663.62
  4. Step 4: Simplify right side
    45,640,318.51x = 1,374,891,900,582,777.50
  5. Step 5: Solve for x
    x = 1,374,891,900,582,777.50/45,640,318.51
  6. Step 6: Final answer
    x = 30,124,502.75

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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.