Home / 189,552,191.20-284,328,286.80-155,114,814.40

Finding the Fourth Proportional to 189,552,191.20, 284,328,286.80 and 155,114,814.40

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Solution

The fourth proportional to 189,552,191.20, 284,328,286.80 and 155,114,814.40 is: 232,672,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,191.20 : 284,328,286.80 = 155,114,814.40 : x
  2. Step 2: Convert to fraction form
    189,552,191.20/284,328,286.80 = 155,114,814.40/x
  3. Step 3: Cross multiply
    189,552,191.20x = 284,328,286.80 × 155,114,814.40
  4. Step 4: Simplify right side
    189,552,191.20x = 44,103,529,435,651,976
  5. Step 5: Solve for x
    x = 44,103,529,435,651,976/189,552,191.20
  6. Step 6: Final answer
    x = 232,672,221.60

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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.