Home / 114,772,056.60-172,494,008.10-99,991,435.80

Finding the Fourth Proportional to 114,772,056.60, 172,494,008.10 and 99,991,435.80

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Solution

The fourth proportional to 114,772,056.60, 172,494,008.10 and 99,991,435.80 is: 150,279,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,772,056.60 : 172,494,008.10 = 99,991,435.80 : x
  2. Step 2: Convert to fraction form
    114,772,056.60/172,494,008.10 = 99,991,435.80/x
  3. Step 3: Cross multiply
    114,772,056.60x = 172,494,008.10 × 99,991,435.80
  4. Step 4: Simplify right side
    114,772,056.60x = 17,247,923,536,815,828
  5. Step 5: Solve for x
    x = 17,247,923,536,815,828/114,772,056.60
  6. Step 6: Final answer
    x = 150,279,815.90

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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.