Home / 107,816,762.60-161,614,919.10-53,145,261.80

Finding the Fourth Proportional to 107,816,762.60, 161,614,919.10 and 53,145,261.80

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Solution

The fourth proportional to 107,816,762.60, 161,614,919.10 and 53,145,261.80 is: 79,663,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,816,762.60 : 161,614,919.10 = 53,145,261.80 : x
  2. Step 2: Convert to fraction form
    107,816,762.60/161,614,919.10 = 53,145,261.80/x
  3. Step 3: Cross multiply
    107,816,762.60x = 161,614,919.10 × 53,145,261.80
  4. Step 4: Simplify right side
    107,816,762.60x = 8,589,067,186,355,320
  5. Step 5: Solve for x
    x = 8,589,067,186,355,320/107,816,762.60
  6. Step 6: Final answer
    x = 79,663,560.46

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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.