Home / 189,508,980.60-284,263,470.90-171,935,998.20

Finding the Fourth Proportional to 189,508,980.60, 284,263,470.90 and 171,935,998.20

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Solution

The fourth proportional to 189,508,980.60, 284,263,470.90 and 171,935,998.20 is: 257,903,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,508,980.60 : 284,263,470.90 = 171,935,998.20 : x
  2. Step 2: Convert to fraction form
    189,508,980.60/284,263,470.90 = 171,935,998.20/x
  3. Step 3: Cross multiply
    189,508,980.60x = 284,263,470.90 × 171,935,998.20
  4. Step 4: Simplify right side
    189,508,980.60x = 48,875,123,620,988,144
  5. Step 5: Solve for x
    x = 48,875,123,620,988,144/189,508,980.60
  6. Step 6: Final answer
    x = 257,903,997.30

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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.