Home / 156,848,383.38-235,057,339.29-99,237,521.78

Finding the Fourth Proportional to 156,848,383.38, 235,057,339.29 and 99,237,521.78

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Solution

The fourth proportional to 156,848,383.38, 235,057,339.29 and 99,237,521.78 is: 148,720,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848,383.38 : 235,057,339.29 = 99,237,521.78 : x
  2. Step 2: Convert to fraction form
    156,848,383.38/235,057,339.29 = 99,237,521.78/x
  3. Step 3: Cross multiply
    156,848,383.38x = 235,057,339.29 × 99,237,521.78
  4. Step 4: Simplify right side
    156,848,383.38x = 23,326,507,827,340,224
  5. Step 5: Solve for x
    x = 23,326,507,827,340,224/156,848,383.38
  6. Step 6: Final answer
    x = 148,720,103.61

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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.