Home / 147,088,684.92-220,479,762.42-82,297,497.72

Finding the Fourth Proportional to 147,088,684.92, 220,479,762.42 and 82,297,497.72

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Solution

The fourth proportional to 147,088,684.92, 220,479,762.42 and 82,297,497.72 is: 123,360,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,088,684.92 : 220,479,762.42 = 82,297,497.72 : x
  2. Step 2: Convert to fraction form
    147,088,684.92/220,479,762.42 = 82,297,497.72/x
  3. Step 3: Cross multiply
    147,088,684.92x = 220,479,762.42 × 82,297,497.72
  4. Step 4: Simplify right side
    147,088,684.92x = 18,144,932,745,066,092
  5. Step 5: Solve for x
    x = 18,144,932,745,066,092/147,088,684.92
  6. Step 6: Final answer
    x = 123,360,493.40

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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.