Home / 156,848,384.38-235,057,340.79-99,237,522.78

Finding the Fourth Proportional to 156,848,384.38, 235,057,340.79 and 99,237,522.78

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Solution

The fourth proportional to 156,848,384.38, 235,057,340.79 and 99,237,522.78 is: 148,720,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848,384.38 : 235,057,340.79 = 99,237,522.78 : x
  2. Step 2: Convert to fraction form
    156,848,384.38/235,057,340.79 = 99,237,522.78/x
  3. Step 3: Cross multiply
    156,848,384.38x = 235,057,340.79 × 99,237,522.78
  4. Step 4: Simplify right side
    156,848,384.38x = 23,326,508,211,253,848
  5. Step 5: Solve for x
    x = 23,326,508,211,253,848/156,848,384.38
  6. Step 6: Final answer
    x = 148,720,105.11

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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.