Home / 189,926,821.80-284,890,232.70-112,328,562.60

Finding the Fourth Proportional to 189,926,821.80, 284,890,232.70 and 112,328,562.60

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Solution

The fourth proportional to 189,926,821.80, 284,890,232.70 and 112,328,562.60 is: 168,492,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,926,821.80 : 284,890,232.70 = 112,328,562.60 : x
  2. Step 2: Convert to fraction form
    189,926,821.80/284,890,232.70 = 112,328,562.60/x
  3. Step 3: Cross multiply
    189,926,821.80x = 284,890,232.70 × 112,328,562.60
  4. Step 4: Simplify right side
    189,926,821.80x = 32,001,310,337,970,512
  5. Step 5: Solve for x
    x = 32,001,310,337,970,512/189,926,821.80
  6. Step 6: Final answer
    x = 168,492,843.90

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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.