Home / 107,802,680.40-161,704,020.60-31,133,458.80

Finding the Fourth Proportional to 107,802,680.40, 161,704,020.60 and 31,133,458.80

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Solution

The fourth proportional to 107,802,680.40, 161,704,020.60 and 31,133,458.80 is: 46,700,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,680.40 : 161,704,020.60 = 31,133,458.80 : x
  2. Step 2: Convert to fraction form
    107,802,680.40/161,704,020.60 = 31,133,458.80/x
  3. Step 3: Cross multiply
    107,802,680.40x = 161,704,020.60 × 31,133,458.80
  4. Step 4: Simplify right side
    107,802,680.40x = 5,034,405,463,144,451
  5. Step 5: Solve for x
    x = 5,034,405,463,144,451/107,802,680.40
  6. Step 6: Final answer
    x = 46,700,188.20

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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.