Home / 189,551,997.20-284,327,995.80-155,114,620.40

Finding the Fourth Proportional to 189,551,997.20, 284,327,995.80 and 155,114,620.40

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Solution

The fourth proportional to 189,551,997.20, 284,327,995.80 and 155,114,620.40 is: 232,671,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,551,997.20 : 284,327,995.80 = 155,114,620.40 : x
  2. Step 2: Convert to fraction form
    189,551,997.20/284,327,995.80 = 155,114,620.40/x
  3. Step 3: Cross multiply
    189,551,997.20x = 284,327,995.80 × 155,114,620.40
  4. Step 4: Simplify right side
    189,551,997.20x = 44,103,429,137,609,800
  5. Step 5: Solve for x
    x = 44,103,429,137,609,800/189,551,997.20
  6. Step 6: Final answer
    x = 232,671,930.60

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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.