Home / 189,666,046,123.38-284,515,791,967.89-53,529,383,314.62

Finding the Fourth Proportional to 189,666,046,123.38, 284,515,791,967.89 and 53,529,383,314.62

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Solution

The fourth proportional to 189,666,046,123.38, 284,515,791,967.89 and 53,529,383,314.62 is: 80,298,794,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,666,046,123.38 : 284,515,791,967.89 = 53,529,383,314.62 : x
  2. Step 2: Convert to fraction form
    189,666,046,123.38/284,515,791,967.89 = 53,529,383,314.62/x
  3. Step 3: Cross multiply
    189,666,046,123.38x = 284,515,791,967.89 × 53,529,383,314.62
  4. Step 4: Simplify right side
    189,666,046,123.38x = 15,229,954,887,311,868,035,072
  5. Step 5: Solve for x
    x = 15,229,954,887,311,868,035,072/189,666,046,123.38
  6. Step 6: Final answer
    x = 80,298,794,637.20

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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.