Home / 161,813,975,123.60-242,557,704,010.20-73,545,451,398.80

Finding the Fourth Proportional to 161,813,975,123.60, 242,557,704,010.20 and 73,545,451,398.80

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Solution

The fourth proportional to 161,813,975,123.60, 242,557,704,010.20 and 73,545,451,398.80 is: 110,243,975,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,813,975,123.60 : 242,557,704,010.20 = 73,545,451,398.80 : x
  2. Step 2: Convert to fraction form
    161,813,975,123.60/242,557,704,010.20 = 73,545,451,398.80/x
  3. Step 3: Cross multiply
    161,813,975,123.60x = 242,557,704,010.20 × 73,545,451,398.80
  4. Step 4: Simplify right side
    161,813,975,123.60x = 17,839,015,831,686,682,247,168
  5. Step 5: Solve for x
    x = 17,839,015,831,686,682,247,168/161,813,975,123.60
  6. Step 6: Final answer
    x = 110,243,975,021.69

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1.5x scale

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.